SOLUTION: Sin(Theta) = p Find cos (Theta) Where domain is Pi/2 to Pi

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Question 1093680: Sin(Theta) = p
Find cos (Theta)
Where domain is Pi/2 to Pi

Found 2 solutions by CubeyThePenguin, ikleyn:
Answer by CubeyThePenguin(3113)   (Show Source): You can put this solution on YOUR website!
sin(x) = p

cos(x) =

Answer by ikleyn(52908)   (Show Source): You can put this solution on YOUR website!
.

The solution and the answer by @CubeyThePenguin both are incorrect.


cos(theta) = +/-  = +/- .


In the domain  from    to  ,  cosine is negative, so we use the  " - "  sign in the formula


    cos(theta) = - .


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