CBSE Class 10 Answered
write all the trigonometric identities and prove that (1/ sec^2 theta - cos ^2 theta ( + )1/ cosec^2 theta - sin^2 theta) sin^2 theta. cos ^2 theta = 1 - sin^2 theta. cos^2 theta / 2+ sin^2 theta . cos^2 theta by using trigonometric identities
Asked by abhishekpareekv | 10 Oct, 2020, 02:04: PM
Expert Answer
To Prove
..........................(1)
Let us use the relation secθ = 1/cosθ and cosecθ = 1 / sinθ in LHS .
LHS becomes
..................(2)
Let us consider the following relations
.................(3)
.................(4)
............. (5)
By using relations (3), (4) and (5) in the right most part of relation-(2) , we rewrite relation (2) as
Answered by Thiyagarajan K | 15 Oct, 2020, 12:58: PM
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