Math, asked by araftaarchaudhary93, 1 year ago

1/sec A +tan A = sec A -tan A

Answers

Answered by mansigupta23

0

1/Seca + tana =Seca-tana
cross multiply
1=(Seca+tana)(Seca-tana)
1=sec^2a-tan^2a
this is the identity
hope its helpful

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