Show that sin inverse (4/5) + cos inverse (2/square root of 5) = cot inverse (2/11) - Maths - Differential Equations

Question

Show that sin inverse (4/5) + cos inverse (2/square root of 5) =
cot inverse (2/11)

Priyanka Kedia · Accepted Answer

Refer the following link:
https://www meritnation
com/ask-answer/question/urgent-show-that-sin-1-4-5-cos-1-2-square-root-of-5-cot/inverse-trigonometric-functions/3714663

Show that sin inverse (4/5) + cos inverse (2/square root of 5) = cot inverse (2/11).