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OpenStudy (anonymous):
In the triangle below, determine the value of c.
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OpenStudy (anonymous):
OpenStudy (hyper):
Using trigonometry, cos(43) = (c/ 21). From this multiply both sides by 21 and so c = cos(43) * 21
OpenStudy (anonymous):
that's the answer?
OpenStudy (hyper):
Yes
OpenStudy (xanthe):
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