Inverse Trigonometric FunctionHard
Question
If cos-1 x - cos-1 y/2 = α, then 4x2 - 4xy cos α + y2 is equal to -
Options
A.- 4 sin2α
B.4sin2α
C.4
D.4 sin 2
More Inverse Trigonometric Function Questions
The value of tan is...If a, b, c be positive real numbers and the value of θ = tan-1 ++ tan-1 + tan-1 then tanθ is equal to -...sec (cosec-1x) is equal to -...The value of , where (0 < a < b), is -...If sin-1α + sin-1β + sin-1γ = . Then αβ + βγ + γα is -...