Math, asked by lizadevi228, 7 months ago

tan A / sec A - 1 + tan A / sec A + 1 = 2 cosec A . please ans fast guys plzz.

Answers

Answered by aryan073

2

Step-by-step explanation:

tan(sec+1)-1(sec)+tan(sec)/sec²-1

tansec+tan -sec-tansec/sec²-1

tan-sec/cos²

=2cosecA

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