RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2 (Updated for 2021-22)

RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2

RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2: This chapter’s Exercise 5.2 has problems based on trigonometric ratios of certain angles such as 0, 30, 45, 60, and 90. If you’re a student having trouble comprehending and solving such problems, Kopykitab has designed the RD Sharma Class 10 Solutions particularly for you to improve your studying experience. Students can download the RD Sharma Solutions for Class 10 Maths Chapter 5 Trigonometric Ratios Exercise 5.2 PDF for further information on the questions in this exercise.

Download RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2 Free PDF

 


RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2

Access answers to RD Sharma Solutions Class 10 Maths Chapter 5 Exercise 5.2- Important Question with Answers

Evaluate each of the following (1-19):
Question 1.
sin45° sin30° + cos45° cos30°.
Solution:
sin 45° sin 30° + cos 45° cos 30°
RD Sharma Class 10 Chapter 5 Trigonometric Ratios

Question 2.
sin60° cos30° + cos60° sin30°.
Solution:
Trigonometric Ratios Class 10 RD Sharma

Question 3.
cos60° cos45° – sin60° sin45°.
Solution:
RD Sharma Class 10 Solutions Trigonometric Ratios

Question 4.
sin230° + sin245° + sin260° + sin2290°.
Solution:
RD Sharma Class 10 Solutions Chapter 5 Trigonometric Ratios

Question 5.
cos230° + cos245° + cos260° + cos290°.
Solution:
RD Sharma Class 10 Pdf Chapter 5 Trigonometric Ratios
RD Sharma Solutions Class 10 Chapter 5 Trigonometric Ratios

Question 6.
tan230° + tan260° + tan245°.
Solution:
Learncbse.In Class 10 Chapter 5 Trigonometric Ratios

Question 7.
2sin230° – 3cos245° + tan260°.
Solution:
Class 10 RD Sharma Solutions Chapter 5 Trigonometric Ratios

Question 8.
sin230°cos24S° + 4tan230° + 12 sin290° -2cos290° + 124 cos20°.
Solution:
RD Sharma Class 10 Solution Chapter 5 Trigonometric Ratios
RD Sharma Class 10 Pdf Ebook Chapter 5 Trigonometric Ratios

Question 9.
4 (sin4 60° + cos4 30°) – 3 (tan2 60° – tan2 45°) + 5cos2 45°
Solution:
RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 5 Trigonometric Ratios

Question 10.
(cosecc2 45° sec2 30°) (sin2 30° + 4cot2 45° – sec2 60°).
Solution:
RD Sharma Class 10 Book Pdf Free Download Chapter 5 Trigonometric Ratios
Class 10 RD Sharma Chapter 5 Trigonometric Ratios

Question 11.
cosec3 30° cos 60° tan3 45° sin2 90° sec2 45° cot 30°.
Solution:
RD Sharma Maths Class 10 Solutions Chapter 5 Trigonometric Ratios

Question 12.
cot2 30° – 2cocs2 60° – 34sec2 45° – 4sec2 30°.
Solution:
RD Sharma 10 Class Solutions Chapter 5 Trigonometric Ratios

Question 13.
(cos0° + sin45° + sin30°) (sin90° – cos45° + cos60°)
Solution:
RD Sharma Class 10 Textbook PDF Chapter 5 Trigonometric Ratios
Maths RD Sharma Class 10 Solutions Chapter 5 Trigonometric Ratios

Question 14.
10th Maths Solution Book Pdf Chapter 5 Trigonometric Ratios
Solution:
RD Sharma 10 Chapter 5 Trigonometric Ratios

Question 15.
RD Sharma 10 Chapter 5 Trigonometric Ratios
Solution:
RD Sharma 10 Chapter 5 Trigonometric Ratios

Question 16.
4 (sin4 30° + cos2 60°) – 3 (cos2 45° – sin2 90°) – sin2 60°
Solution:
RD Sharma Class 10 Book Pdf Chapter 5 Trigonometric Ratios

Question 17.
Solution Of RD Sharma Class 10 Chapter 5 Trigonometric Ratios
Solution:
RD Sharma 10 Solutions Chapter 5 Trigonometric Ratios

Question 18.
RD Sharma Maths Book For Class 10 Solution Chapter 5 Trigonometric Ratios
Solution:
RD Sharma Class 10 Maths Chapter 5 Trigonometric Ratios
RD Sharma Class 10 Maths Chapter 5 Trigonometric Ratios

Question 19.
RD Sharma Mathematics Class 10 Pdf Download Free Chapter 5 Trigonometric Ratios
Solution:
Answers Of RD Sharma Class 10 Chapter 5 Trigonometric Ratios

Find the value of x in each of the following : (20-25)

Question 20.
2sin 3x = √3
Solution:
Class 10 RD Sharma Pdf Chapter 5 Trigonometric Ratios width=

Question 21.
2sin x2 = 1
Solution:
RD Sharma Class 10 Solutions Pdf Free Download Chapter 5 Trigonometric Ratios

Question 22.
√3 sin x=cos x
Solution:
Answers Of RD Sharma Class 10 Chapter 5 Trigonometric Ratios

Question 23.
tan x = sin 45° cos 45° + sin 30°
Solution:
RD Sharma Class 10 Maths Chapter 5 Trigonometric Ratios

Question 24.
√3 tan 2x = cos 60° +sin 45° cos 45°
Solution:
RD Sharma 10 Solutions Chapter 5 Trigonometric Ratios
RD Sharma Class 10 Book Pdf Chapter 5 Trigonometric Ratios

Question 25.
cos 2x = cos 60° cos 30° + sin 60° sin 30°
Solution:
10th Maths Solution Book Pdf Chapter 5 Trigonometric Ratios

Question 26.
If θ = 30°, verify that :
RD Sharma Class 10 Textbook PDF Chapter 5 Trigonometric Ratios
Solution:
RD Sharma 10 Class Solutions Chapter 5 Trigonometric Ratios
Class 10 RD Sharma Chapter 5 Trigonometric Ratios
RD Sharma Class 10 Book Pdf Free Download Chapter 5 Trigonometric Ratios
RD Sharma Class 10 Book Pdf Free Download Chapter 5 Trigonometric Ratios

Question 27.
If A = B = 60°, verify that:
(i) cos (A – B) = cos A cos B + sin A sin B
(ii) sin (A – B) = sin A cos B – cos A sin B tan A – tan B
(iii) tan (A – B) = tanA−tanB1+tanA−tanB
Solution:
RD Sharma Class 10 Pdf Ebook Chapter 5 Trigonometric Ratios
RD Sharma Class 10 Pdf Free Download Full Book Chapter 5 Trigonometric Ratios

Question 28.
If A = 30° and B = 60°, verify that :
(i) sin (A + B) = sin A cos B + cos A sin B
(ii) cos (A + B) = cos A cos B – sin A sin B
Solution:
Learncbse.In Class 10 Chapter 5 Trigonometric Ratios

Question 29.
If sin (A + B) = 1 and cos (A,-B) = 1,0° < A + B < 90°, A > B find A and B.
Solution:
RD Sharma Class 10 Pdf Chapter 5 Trigonometric Ratios
RD Sharma Class 10 Solutions Trigonometric Ratios

Question 30.
RD Sharma Class 10 Chapter 5 Trigonometric Ratios
Solution:
Trigonometric Ratios Class 10 RD Sharma

Question 31.
RD Sharma Class 10 Solutions Chapter 5 Trigonometric Ratios
Solution:
RD Sharma Solutions Class 10 Chapter 5 Trigonometric Ratios
Class 10 RD Sharma Solutions Chapter 5 Trigonometric Ratios

Question 32.
In an ∆ABC right angle at B, ∠A = ∠C. Find the values of
(i) sin A cos C + cos A sin C
(ii) sin A sin B + cos A cos B
Solution:
RD Sharma Class 10 Solution Chapter 5 Trigonometric Ratios

Question 33.
Find acute angles A and B, if sin (A + 2B)=3√2 and cos (A + 4B) = 0, A > B.
Solution:
RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 5 Trigonometric Ratios

Question 34.
In ΔPQR, right-angled at Q, PQ = 3 cm and PR = 6 cm. Determine ∠P and ∠R.
Solution:
Class 10 RD Sharma Chapter 5 Trigonometric Ratios
RD Sharma 10 Class Solutions Chapter 5 Trigonometric Ratios

Question 35.
If sin (A – B) = sin A cos B – cos A sin B and cos (A – B) = cos A cos B + sin A sin B, find the values of sin 15° and cos 15°.
Solution:
Maths RD Sharma Class 10 Solutions Chapter 5 Trigonometric Ratios

Question 36.
In a right triangle, ABC is right-angled at ∠C if ∠B = 60° and AB – 15 units. Find the remaining angles and sides.
Solution:
RD Sharma 10 Chapter 5 Trigonometric Ratios
RD Sharma 10 Chapter 5 Trigonometric Ratios

Question 37.
If ΔABC is a right triangle such that ∠C = 90°, ∠A = 45° and BC = 7 units. Find ∠B, AB, and AC.
Solution:
Solution Of RD Sharma Class 10 Chapter 5 Trigonometric Ratios
Solution Of RD Sharma Class 10 Chapter 5 Trigonometric Ratios

Question 38.
In a rectangle ABCD, AB = 20 cm, ∠BAC = 60°, calculate side BC and diagonals AC and BD.
Solution:
RD Sharma Maths Book For Class 10 Solution Chapter 5 Trigonometric Ratios

Question 39.
If A and B are acute angles such that
RD Sharma Maths Book For Class 10 Solution Chapter 5 Trigonometric Ratios
Solution:
RD Sharma Mathematics Class 10 Pdf Download Free Chapter 5 Trigonometric Ratios
Class 10 RD Sharma Pdf Chapter 5 Trigonometric Ratios

Question 40.
Prove that (√3 + 1) (3 – cot 30°) = tan3 60° – 2sin 60°. [NCERT Exemplar]
Solution:
RD Sharma Class 10 Solutions Pdf Free Download Chapter 5 Trigonometric Ratios

We have provided complete details of RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2. If you have any queries related to CBSE Class 10, feel free to ask us in the comment section below.

FAQs on RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2

What are the benefits of using RD Sharma Class 10 Maths Solutions Chapter 5 Exercise 5.2?

1. Correct answers according to the latest CBSE guidelines and syllabus.
2. The RD Sharma Class 10 Maths Solutions Chapter 5 Exercise 5.2 is written in simple language to assist students in their board examination, & competitive examination preparation.

Where can I download RD Sharma Class 10 Maths Solutions Chapter 5 Exercise 5.2 free PDF?

You can download RD Sharma Class 10 Maths Solutions Chapter 5 Exercise 5.2 free PDF from the above article.

Is it important to study all of the concepts included in RD Sharma Class 10 Solutions Chapter 5 Exercise 5.2?

Yes, learning all of the concepts included in RD Sharma Solutions for Class 10 Maths Chapter 5 Exercise 5.2 is required in order to achieve high scores on the Class 10 board exams. These solutions were created by subject matter specialists who compiled model questions that covered all of the textbook’s exercise questions.

Leave a Comment