if A= sin square theta + cos square theta ,for any value of theta, then the value of A is?
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sin^2 theta + cos^2 theta = 1
so A = 1
thanks for asking.
so A = 1
thanks for asking.
nausheen234:
but the power of cos theta is 4 not 2
dear you have asked in question cos square theta.
oh sorry my mistake but it will be cos ^4 theta
can you please help
sin^2 theta + cos^4 theta = sin^2 theta + cos^2 theta - (sin theta * cos theta )^2 = 1 - (1/4) sin (2*theta )
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but the power of cos theta is 4 not 2
are you there
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