SOLUTION: Suppose sin(x) = 1/2 and tan(x) < 0. Find sin(x - 5𝜋/6) and cos(x + 5𝜋/3).

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Question 1198271: Suppose sin(x) = 1/2 and tan(x) < 0.
Find sin(x - 5𝜋/6) and cos(x + 5𝜋/3).

Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.
Suppose sin(x) = 1/2 and tan(x) < 0.
Find sin(x - 5𝜋/6) and cos(x + 5𝜋/3).
~~~~~~~~~~~~~~~~~~

Then x = .


Therefore,   =  = 0;

             =  =  =  = 0.

Solved.



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