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I am unsure about how to solve this problem. May I have some advice how to solve it?

I am unsure about how to solve this problem. May I have some advice how to solve it-example-1

1 Answer

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Answer:

sin ^2 x+ cos ^2 x = 1

Explanation:

sin^2 x - cos ^2 x sin ^2 x = sin ^4 x

Factor sin^2 x

sin ^2 x ( 1- cos ^2 x ) = sin ^4 x

Using the identity sin ^2 x+ cos ^2 x = 1 written as 1 -cos ^2 x = sin ^2 x

sin ^2 x ( sin^2 x ) = sin ^4 x

sin ^4 x = sin ^4 x

User Swapnil Motewar
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