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[Q+quad quad " If "sin theta+sin^(2)thet...

[Q+quad quad " If "sin theta+sin^(2)theta=1." Show "],[" that "cos^(2)theta+cos^(4)theta=1]

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If sin theta+ sin^(2)theta=1 , then prove that cos^(2) theta+cos^(4) theta=1.

If sin theta+sin^(2)theta=1 Prove that cos^(2)theta+cos^(4)theta=1

If sin theta + sin^(2) theta = 1 , then prove that cos^(2) theta + cos^(4)theta = 1.

If sin theta+sin^(2)theta=1, prove that cos^(2)theta+cos^(4)theta=1

If sin theta+ sin^2 theta = 1 , prove that cos^2 theta+ cos^4 theta = 1 .

If sin theta + sin^(2) theta =1 then cos^(4) theta + cos^(8) theta + 2 cos^(6) theta =

If sin theta+sin^2theta=1 , show that cos^4theta+cos^2theta=1 .

Show that cos^(4)theta-sin^(4)theta=cos2theta

If cos theta+cos^(2)theta=1 then sin^(2)theta+2sin^(2)theta+sin^(2)theta=