If 4cos^2a=3 then a=?
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Answer:
a = 30°
Step-by-step explanation:
4(cos a)^2 = 3
(cos a)^2 = 3/4
square root on both sides
√(cos a)^2 = √(3/4)
cos a = √3/2
cos a = cos 30°
a = 30°
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answer for the given problem is given
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