Math, asked by akshatwahi04, 4 months ago

Show that sec2x+cosec2 x is greater or equal to 4.

Answers

Answered by abhinabadutta8774

0

Answer:

sec2x+cosec2x

(cosec2x-1)²+cosec 2x

cosec4x²-1+cosec2x

cosec4x²+cosec2x-1

>4

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