Math, asked by khushisoni, 1 year ago

hii !!! solve my question

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Answered by ommritishkumar

1

the answer is proved

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Answered by Anonymous

1

We know that
Tan(90-@)=cot@
And cot (90-@)=tan@
Sec(90-@)=cosec@
We know
Cosec2@-cot2@=1
So cot2@-cosec2@=-1

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