Question

1. The value of 1-sin2 A is

​

Answer 1

1−sin

2

θ)sec

2

θ

=(cos

2

θ)×

cos

2

θ

1

=1

Answer 2

Answer:

cos^2+sin^2= 1

therefore , cos^2= 1 - sin^2

hence

answer is cos^2

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