Question 1066418: If cos theta is -4/5, and theta is in quadrant 3, find sin, tan, sec, csc, and cot.
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! If cos theta is -4/5, and theta is in quadrant 3, find sin, tan, sec, csc, and cot.
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Step 1, find the sine.
sin^2 + cos^2 = 1
The sine in Q3 is negative.
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tan = sin/cos
cot = cos/sin
sec = 1/cos
csc = 1/sin
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