Question

solve these questions ​

Answer 1

welcome to the concept of

domain of inverse functions...

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Answer 2

Answer:

we know that

$\cot( \cot {}^{ - 1} (x) ) = x$

solution:

we have to find the value of

$\cot {}^{ } ( \cos {}^{ - 1} ( \frac{7}{25} ) )$

convert the cos inverse value in cot inverse

then ,

$\cot( \cot {}^{ - 1} ( \frac{7}{24} ) )$

$= \frac{7}{24}$

so the solution is 7/24

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