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OpenStudy (anonymous):
sec30°cos60° = 1 true or false
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OpenStudy (anonymous):
false as sec30°cos30° = 1
OpenStudy (imstuck):
you have to know three things about this before you make a determination. First you need to be aware that sec is the same as 1/cos; then you have to know the values of both sec 30 and cos 60. Do you know how to find them without someone just giving you the answer?
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