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Can anyone please tell me h ow to convert 2sin^-1(x) in terms of cos^-1(x)

Can anyone please tell me how to convert 2sin^-1(x) in terms of cos^-1(x)

Grade:12

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
6 years ago
2sin^-1 x = t
x= sint/2
x= (1- cos​2 t/2)½
from this find vaule of t and put it in equation 1

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