Cot(2arcsinx) Thanks in advance
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Note that From this point you can use the formula and
Hello, nubshat! Let That is: . is in a right triangle with: and Pythagorus says: . Hence: . Identity: . We have: . Multiply by Therefore: .
Hi Soroban, a little attention error in the last row: cot (2arcsin(x)) = .... and not cos(2arcsin(x))=...
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