Math, asked by amanceo14, 1 year ago

prove that:
cos^4 A - Sin^4A = 2 cos^2A-1

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Answered by manofmahadev

1

Answer:

please mark me as brainliest

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Answered by priyoshi21

2

Step-by-step explanation:

Refer to the attachment above..

Mark my answer as brainliest...

Priyoshi :-)

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