SOLUTION: Verify the identity 2cos2x-2/sin2x = cotx-secxcscx-tanx on paper it looks like this 2cos2x-2 --------- (divide line) = cotx-secxcscx-tanx sin2x

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Question 809488: Verify the identity
2cos2x-2/sin2x = cotx-secxcscx-tanx
on paper it looks like this
2cos2x-2
--------- (divide line) = cotx-secxcscx-tanx
sin2x

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Verify the identity
2cos2x-2/sin2x = cotx-secxcscx-tanx
***
Start with right side:
cotx-secxcscx-tanx

LCD:sin(x)cos(x)


multiply top and bottom by 2

verified: right side=left side

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