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" 2."1+cos^(2)2 theta=2(cos^(4)theta+sin...

" 2."1+cos^(2)2 theta=2(cos^(4)theta+sin^(4)theta)

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What is the value of ( 1 - 2 sin ^(2) theta cos^(2) theta )/( sin ^(4) theta + cos^(4) theta ) + 4 equal to

The value of 3(cos theta-sin theta)^(4)+6(sin theta+cos theta)^(2)+4 sin^(6) theta is where theta in ((pi)/(4),(pi)/(2)) (a) 13-4cos^(4) theta (b) 13-4cos^(6) theta (c) 13-4cos^(6) theta+ 2 sin^(4) theta cos^(2) theta (d) 13-4cos^(4) theta+ 2 sin^(4) theta cos^(2) theta

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The value of (2(sin^(6)theta+cos^(6)theta)-3(sin^(4)theta+cos^(4)theta))/(cos^(4)theta-sin^(4)theta-2cos^(2)theta) is :

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