# NCERT Solutions for Class 10 Maths Exercise 8.3 ## myCBSEguide App

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NCERT solutions for Maths Introduction to Trigonometry ## NCERT Solutions for Class 10 Maths Introduction to Trigonometry

1. Evaluate:

(i) (ii) (iii) (iv) Ans. (i) = = = 1

(ii) = = = 1

(iii) = = = 0

(iv) = = =0

2. Show that:

(i) (ii) Ans. (i)L.H.S. = = = = 1 = R.H.S.

(ii) R.H.S. = = = 0 = R.H.S.

3. If where 2A is an acute angle, find the value of A.

Ans. Given:          A = 4. If prove that Ans. Given:      A + B = 5. If where 4A is an acute angle, find the value of A.

Ans. Given:          A = 6. If A, B and C are interior angles of a ABC, then show that Ans. Given: A, B and C are interior angles of a ABC. A + B + C =         7. Express in terms of trigonometric ratios of angles between and Ans. = = ## NCERT Solutions for Class 10 Maths Exercise 8.3

NCERT Solutions Class 10 Maths PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 10 Maths includes text book solutions from Mathematics Book. NCERT Solutions for CBSE Class 10 Maths have total 15 chapters. 10 Maths NCERT Solutions in PDF for free Download on our website. Ncert Maths class 10 solutions PDF and Maths ncert class 10 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.

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