Sin(60°+α) – Cos(30°
-α) is equal to
a) 2cosα b) 2sinα c) 0 d) 1. plz give me the answer
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Sin(60°+α) – Cos(30°
-α) is equal to
a) 2cosα b) 2sinα c) 0 d) 1. plz give me the answer
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Answer:
0 is the answer
Step-by-step explanation:
cos(30-a) = sin (90-(30-a)) (since sin and cos are complimentary)
cos (30-a) = sin (60+a)
Sin(60+a)-Sin(60+a) = 0
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