Verify the following identities

cot x - tan x = 4 cos^x - 2 / (sin 2x)

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Please take care in writing expressions to properly use parentheses. What you wrote is this:



whereas what I think you mean is this:



As usual. Start by converting the cotx and tanx functions to their sine and cosine equivalents, then simplify. Look for opportunities to employ other well known identities such as

Hey ebaines,

Thanks!