
Inverse Trigonometric Functions
Let cos − 1 (2 3 ) = x, where x ∈ 0, π Then, cos x = 2 3 = cos 6 π ⇒ x = 6 π Solve any question of Inverse Trigonometric Functions with entering 2sin1−3√2cos1 2√3 closed edit asked 1926 0100 Anonymous if sin and cos are next to an absolute value, should I do sin*abs(x) or sin(abs(x) ?