anonymous
  • anonymous
How would you simplify tan(sin^-1 (x/2)) to find its exact value? Is sin^2 theta+cos theta=2 true or false?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
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anonymous
  • anonymous
there 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
  • anonymous
Does it matter that it's sin^-1?

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anonymous
  • anonymous
not sure what you are asking but i guess the answer is "of course it matters" if it was cosine it would be different
anonymous
  • anonymous
did you find the third side?
anonymous
  • anonymous
i think maybe i lost you there ?
anonymous
  • anonymous
Sorry, 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?
amilapsn
  • amilapsn
yep

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