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Earn +20 ptsQ: What is the sine of a complimentary angle of 28 degrees?
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What is the measure of an angle complementary to 28 degrees?
90 - 28 = 62 degrees
What is the complementary angle for 28 degrees?
It is 62 degrees because 62+28 = 90 degrees
What angle is 28 degrees?
acute
What will be the measure of the second acute angle of a right triangle if the first acute angle measures 28 degrees?
It is 90-28 = 62 degrees
What is cosine 2 theta when sine theta equals .28?
If sine theta is 0.28, then theta is 16.26 degrees. Cosine 2 theta, then, is 0.8432
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