Math, asked by abhishek638, 1 year ago

prove that :
(secα+cosα)²+(cosecα+sinα)²≥9

abhishek638: challenging u...

Answers

Answered by Anonymous

2

sec²α + cos²α+2+cosec²α+sin²α+2
5+sec²α+cosec²α
remaining u conitinue

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