Question

Prove that
$2 \sin { }^{ - 1} ( \sqrt{ \frac{1 - x}{2} } ) = \cos {}^{ - 1} (x)$
Maths Inverse Trigonometry ​

Answer 1

There are a few inverse trigonometric functions properties which are crucial to not only solve problems but also to have a deeper understanding of this concept. To recall, inverse