7cosx=4-2sin^2x

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Solution for 7cosx=4-2sin^2x equation: 


Simplifying
7cosx = 4 + -2sin2x

Solving
7cosx = 4 + -2in2sx

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Divide each side by '7osx'.
c = 0.5714285714o-1s-1x-1 + -0.2857142857in2o-1

Simplifying
c = 0.5714285714o-1s-1x-1 + -0.2857142857in2o-1

Reorder the terms:
c = -0.2857142857in2o-1 + 0.5714285714o-1s-1x-1

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