Math, asked by anirbanrc8129, 1 year ago

If xcosA=1 and tanA=y then x2 - y2

Answers

Answered by Riya1always1

6

the answer is 1.
xcosA=1
x=1/cosA
tanA=y
so,
x2-y2=(1/cosA)2-(tanA) 2
now
solve it

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