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- Scratchpad

If angle X and angle Y are complementary angles, which of the following must be true?

A) sin X = sin Y
B) cos X = cos Y
C) tan X = tan Y
D) sin X = cos Y​

- Scratchpad If angle X and angle Y are complementary angles, which of the following-example-1
User Akkonrad
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1 Answer

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The answer is B I am not completely sure
User Chen Ni
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