Inverse Trigonometric Functions Question 113
Question: $ \cot [ {{\cos }^{-1}}( \frac{7}{25} ) ]= $
[Karnataka CET 1994]
Options:
A) $ \frac{25}{24} $
B) $ \frac{25}{7} $
C) $ \frac{24}{25} $
D) None of these
Show Answer
Answer:
Correct Answer: D
Solution:
$ \cot [ {{\cos }^{-1}}( \frac{7}{25} ) ]=\cot [ {{\cot }^{-1}}( \frac{7}{24} ) ]=\frac{7}{24} $ .
BETA
