# trigonometric identities

by princy
Tags: identities, trigonometric
 P: 14 hi.. i came through a problem in which the expression [1-(k(sin^2) θ)] has to be simplified.. can someone help me to solve it.??
 Homework Sci Advisor HW Helper Thanks PF Gold P: 10,236 Look for other forms of $\sin^2\theta$ http://www.sosmath.com/trig/Trig5/trig5/trig5.html

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