Qualification > Math

help needed in Deriving Inverse Trigonmetric Functions (Not urgent this time :D)

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Tyserius:
Is this what you need?

SGVaibhav:
reading
looks effective so far
excited
will try that on cos and will tell if it works
Be right back reading :D

SGVaibhav:
how do we know that we have to find the adjacent side ???
and how do we get (root)1-x^2, that is confusing me

SGVaibhav:
im not getting it  :'(

Tyserius:
'Cause sin y = x which from that you know the opposite side is x and the hypotenuse is 1. What about the adjacent? Imagine a right-angled triangle with one of its acute angles as y.

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