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Find the exact value of the expression cos(-9pi/4)-csc(-9pi/4)?

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  • Find the exact value of the expression cos(-9pi/4)-csc(-9pi/4)?


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You can put this solution on YOUR website! First of all, when you see/hear "exact value" in a Trig problem, you should know to put your calculator away.
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Positive: 99 %
... ratios to be able to find the exact value. ... to Find Exact values for sin cos ... to find exact values of trig expressions ...
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Positive: 96 %

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