$\displaystyle 8 cos^2 x$

Rewrite the expression as an equivalent expression that does not contain powers of triogonometric functions greater than 1.

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- Mar 17th 2010, 06:35 PMpurplec16Powers of Trigonometric Functions
$\displaystyle 8 cos^2 x$

Rewrite the expression as an equivalent expression that does not contain powers of triogonometric functions greater than 1. - Mar 17th 2010, 06:52 PMskeeter