Math, asked by dibyendu16, 4 months ago

tan⁴A + tan²A = sec⁴A - sec²A​

Answers

Answered by scprasad004
1

tan⁴A + tan²A = sec⁴A - sec²A

L.H.S.

tan⁴A + tan²A

=> tan²A(tan²A+1) [ sec²A-tan²A = 1

=>tan²A+1 = sec²A]

=> tan²A .sec²A

R.H.S.

sec⁴A-sec²A

=> sec²A(sec²A-1) [ sec²A-tan²A = 1

=>sec²A-1 = tan²A]

=> sec²A . tan²A

Therefore , LHS = RHS.

Hence, proved .

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Answered by lubna165
0

solution is in the attached

hope it's helpful

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