SOLUTION: Given that cos(x)=-1/4(7^0.5) where pi < x < 3/2pi find sin(x) Quick walkthrough would be appreciated Thanks in advance

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Question 346794: Given that cos(x)=-1/4(7^0.5) where pi < x < 3/2pi find sin(x)
Quick walkthrough would be appreciated
Thanks in advance
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Recall that , hence:









But you restricted the the third quadrant, . Sin is negative in the third quadrant, so:



John

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