Math, asked by kadavakolluv, 10 months ago

Cosec square by cosec minus 1 minus cosec square by cosec square plus 1 is equal to 2sec square

Answers

Answered by kuldeep20941

0

Step-by-step explanation:

$we \: know \: that \: {cosec \: \alpha }^{2} = 1 + {cot \: \alpha }^{2}$

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