Question

If cos A + cos^2A = 1, then sin ^2A + sin^4A -​

Answer 1

Answer:

Cos A+Cos2A=1

=> cosA = 1 – cos2A = sin2A

So, Required is

sin2A + sin4A

= Cos A+Cos2A

=1

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Step-by-step explanation:

Answer 2

answer:-

Cos A+Cos2A=1

=> cosA = 1 – cos2A = sin2A

So, Required is

sin2A + sin4A

= Cos A+Cos2A

=1

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