Trigonometric RatiosHard
Question
If x +
= 2 cos θ, then x3 +
=
Options
A.cos 3θ
B.2 cos 3θ
C.
cos 3θ
D.
cos 3θ
More Trigonometric Ratios Questions
cos2 48o − sin2 12o =...If cosα + cosβ = 0 = sinα + sinβ, then cos2α + cos2β is equal to -...If sin θ = n sin (θ + 2α), then tan (θ + α) is equal to -...If A − B =, then (1 + tan A) (1 − tan B) =...2 sin2 β + 4 cos(α + β)sin α sin β + cos 2 =...