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anonymous
 one year ago
How would you simplify tan(sin^1 (x/2)) to find its exact value?
Is sin^2 theta+cos theta=2 true or false?
anonymous
 one year ago
How would you simplify tan(sin^1 (x/2)) to find its exact value? Is sin^2 theta+cos theta=2 true or false?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439953692116:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0there is a picture of an angle whose sine is \(\frac{x}{2}\) find the third side via pythagoras then you can find any trig ratio you want

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Does it matter that it's sin^1?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0not sure what you are asking but i guess the answer is "of course it matters" if it was cosine it would be different

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0did you find the third side?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i think maybe i lost you there ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Sorry, I spent some time doing the calculation with identities instead of a triangle and ended up with \[ \tan(\sin^1 x/2)= (x/2)/(√1(x^2/4))=x/(2√(1(x^2/4)))\] Would this result in the same answer as using the triangle?
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