SOLUTION: If cos θ=3/5, θ in Quadrant IV; csc θ. Find the value of the indicated function.

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Question 1174582: If cos θ=3/5, θ in Quadrant IV; csc θ. Find the value of the indicated function.
Answer by greenestamps(13203) About Me  (Show Source):
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cosine is adjacent over hypotenuse; with the angle in standard position (vertex at the origin), that means cosine is x/r.

So x is 3 and r (radius; hypotenuse) is 5. The Pythagorean Theorem with the angle in quadrant IV gives us y=-4.

Use the definition of cosecant to answer the question.