Math, asked by PrettyDoll1, 1 year ago

solve this plssssss....

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Answered by Nishant972

1

By addingand subtracting sin square theta in numerator.
It gets cancelled.

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Nishant972: It's ok

Priyansh1231: 12th class or 11th?

Nishant972: Why???

Priyansh1231: Ghhh!! Tabhi mai sochu inna Simple question kyu puuch ri ho!! :'(

Answered by Priyansh1231

1

sin⁴x + cos⁴x = (sin²x + cos²x)² - 2 sin²x . cos²x

= 1 - 2sin²x . cos²x

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