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SinA+cosA=x, prove that 4-3(x^2-1)^2×1÷4=sin^8A+cos^8A. |
| Answer» Why you people always gives any questions. related to prove .....as you always know that no one is going to ans you....so from next time don\'t give anything to prove because it will require a huge ...space and ....you can also see.... | |