Sin and CosPro Problems > Math > Algebra > Functions > Trigonometry > Equations
Sin and Cos
Solve for x in the interval [0, 2p)
-2(sin2 x)(cos x) + cos2 x = 1
Problem by Mr. Twitchell
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Find all angle values between zero and 360 inclusive that make the equation true.
8cos4x - 10cos2x + 3 = 0
If (sin2X)(cosX) =
cosX, and 0 ≤ X < 180, find all possible values of X.
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