Two angles are complementary. The measure of one angle is 3° more than one-half of the measure of the other. Find the measure of
1 answer:
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Step-by-step explanation:
1: change 'sin²A' and 'cos²B' into (1-cos²A)and (1-sin²A) respectively.
2:open the brackets and put signs accordingly.
3: cancel (-1) and (+1).
4: remaining is your answer.
