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Mimi_x3
 one year ago
Write the trigonometric expression as an algebraic expression in
u and v. Assume that the variables u and v represent positive real numbers.
\[\cos(\sin^{−1}(u)\tan^{−1}(v))\]
Mimi_x3
 one year ago
Write the trigonometric expression as an algebraic expression in u and v. Assume that the variables u and v represent positive real numbers. \[\cos(\sin^{−1}(u)\tan^{−1}(v))\]

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dan815
 one year ago
Best ResponseYou've already chosen the best response.3okay so what exactly are we doing here

dan815
 one year ago
Best ResponseYou've already chosen the best response.3you can always eliminate sin and cos with complex versions or power series

dan815
 one year ago
Best ResponseYou've already chosen the best response.3you can try to figure out the inverse function here, for this complex version of sin and cos

dan815
 one year ago
Best ResponseYou've already chosen the best response.3you can also continue to write it in a power series if they prefer that

dan815
 one year ago
Best ResponseYou've already chosen the best response.3my last guess would be to start drawing triangles

dan815
 one year ago
Best ResponseYou've already chosen the best response.3since they have sin^1(u) so

dan815
 one year ago
Best ResponseYou've already chosen the best response.3u can do the same to the other one

dan815
 one year ago
Best ResponseYou've already chosen the best response.3oh wait oops thats not right

dan815
 one year ago
Best ResponseYou've already chosen the best response.3so ya i think we just gotta do make use of the cos(ab) indentity

dan815
 one year ago
Best ResponseYou've already chosen the best response.3pretty simple from here, work it out

dan815
 one year ago
Best ResponseYou've already chosen the best response.3=cos(sin^1(u))*cos(tan^1(v)) + sin(sin^1(u)) sin(tan^1(v)) =sqrt(1u^2)*1/sqrt(1+u^2) + u* v/sqrt(1+v^2)

dan815
 one year ago
Best ResponseYou've already chosen the best response.3cos(α – β) = cos(α)cos(β) + sin(α)sin(β)

Mimi_x3
 one year ago
Best ResponseYou've already chosen the best response.0Thanks @dan815 My page kept reloading
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