What is 2cosx÷√cos2x ??
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Step-by-step explanation:
2 cos x / √(2 cos²x - 1)
= 2 cos x / √(cos²x + cos²x - 1)
= 2 cos x / √(cos²x + sin²x)
= 2 cos x / √1
= 2 cos x
PLS MARK IT AS BRAINLIEST IF IT'S CORRECT
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