Math, asked by chjangaiahchjangaiah, 9 months ago

prove that sin^4A+sin^2A*cos^2A-sin^2A=0​


Kaimaster1: Test
Kaimaster1: test

Answers

Answered by steevejoy123
1

Answer:

Step-by-step explanation:

sin^2A = sin^4A + sin^2A*cos^2A

           = sin^4A + sin^2A(1 - sin^2A)

           = sin^4A + sin^2A - sin^4A

           = sin^2A

:- sin^4A + sin^2A*cos^2A - sin^2A = 0

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