Math, asked by juvelin54, 1 year ago

(SecA minus cosA)(secA plus cosA) equal sinAsquare plus tanAsquare

Answers

Answered by hemamer12
2
solution is given in above pic
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Lohith154: Bro please write darker
Lohith154: Isn't my answer the same
Answered by Lohith154
1

We have

Sec2a=1+tan2a

Sin2a+cos2a=1

=>Cos2a=1-sin2a


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