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Rujuan
If angle X and Y are complementary angles, which of the following must be true?
O sinX = siny
O cosx = cosY
O tanX = tany
O sinX = COSY

Rujuan If angle X and Y are complementary angles which of the following must be true O sinX siny O cosx cosY O tanX tany O sinX COSY class=

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Answer:

Sin X=Cos Y

Step-by-step explanation:

Objective: Understand trigonometric relations such that

Cosine and Sine are similar to complementary angles that if X+Y are complementary angles,

Cos X= Sin Y and Cos Y= Sin X

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