MCQs of Inverse Trigonometric Functions

Showing 111 to 120 out of 135 Questions

111.

c o t^{- 1} (- c o t \frac{7 π}{9}) =_____.

112.

If 3 \sin^{- 1} x + \cos^{- 1} x = π, then x =_____.

113.

The value of \cos [\cot^{- 1} (- \sqrt{3}) + \sin^{- 1} (- \frac{1}{2})] is_____.

114.

\sin^{- 1} \frac{5}{13} + \tan^{- 1} \frac{7}{17} =_____.

115.

If \sin^{- 1} (\frac{x}{13}) + \sec^{- 1} (\frac{13}{5}) = \frac{π}{2}, then the value of x is_____.

116.

t a n^{- 1} (\frac{\sqrt{1 + c o s x} + \sqrt{1 - c o s x}}{\sqrt{1 + c o s x} - \sqrt{1 - c o s x}}) =_____.

117.

c o s e c [t a n^{- 1} (c o s (c o t^{- 1} (s e c (s i n^{- 1} a))))] =_____.

118.

c o t^{- 1} \frac{1}{2} + c o t^{- 1} \frac{1}{3} =_____.

119.

If \sec^{- 1} x = {cosec}^{- 1} y, then \cos^{- 1} (\frac{1}{x}) + \cos^{- 1} (\frac{1}{y}) =_____.

120.

\cos^{- 1} \frac{1}{2} + 2 \sin^{- 1} \frac{1}{2} =_____.

Showing 111 to 120 out of 135 Questions