Math, asked by abhishekchauras4880, 1 month ago

Cos square theta 1 + 10 square theta is equal to

Answers

Answered by rambachanyadav25278
0

Answer:

cos

2

θ(1+tan

2

θ)=1

Take L.H.S

cos

2

θ(1+tan

2

θ)

cos

2

θ+cos

2

θ.tan

2

θ

cos

2

θ+cos

2

θ.

cos

2

θ

sin

2

θ

cos

2

θ+sin

2

θ

=1

=R.H.S.

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