Math, asked by alice43, 3 months ago

Cos^4 b - sin^4 b = 1 - 2sin^2b. prove.

Answers

Answered by faseehfawaz

1

Answer:

Proved

Step-by-step explanation:

b taken as x in the solution.

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Answered by omegahariom

1

Step-by-step explanation:

hope it helps

plz mark me the brainliest

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