Trigonometry
For the following trigonometric expression, evaluate and give the answer as an exact value in radians.
sin- 1(- (√2)/2)
cot- 1(- 1)
Without using a calculator, determine the exact value of the expression:
sin⁻¹ (-1/2)
Determine the exact value of the given inverse trigonometric function without using a calculator.
y=cos−1(−12)y=\cos^{-1}\left(-\frac12\right)y=cos−1(−21)
y=sin−15y=\sin^{-1}\sqrt5y=sin−15
y=csc−1(−233)y=\csc^{-1}\left(-\frac{2\sqrt3}{3}\right)y=csc−1(−323)
Find the value of the given inverse trigonometric function using a calculator. Write your answer in radians.
y=tan−1(1.5679827)y=\tan^{-1}(1.5679827)y=tan−1(1.5679827)