Math, asked by riyuuuujain, 1 year ago

(2 cos^2A- 1)/cos^4A-sin^4A=1-2 sin^2A

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Answered by khalid442

1

= (sin(A)^2-cos(A)^2)
= (1-co

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riyuuuujain: its not clear

khalid442: sorry wait i rewrite

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