solve this plssssss....
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By addingand subtracting sin square theta in numerator.
It gets cancelled.
It gets cancelled.
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Nishant972:
It's ok
12th class or 11th?
Why???
Ghhh!! Tabhi mai sochu inna Simple question kyu puuch ri ho!! :'(
Answered by
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sin⁴x + cos⁴x = (sin²x + cos²x)² - 2 sin²x . cos²x
= 1 - 2sin²x . cos²x
= 1 - 2sin²x . cos²x
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