SOLUTION: prove cosec4A + cot4A = 1/2 (cotA - tanA) thank you!

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Question 1142132: prove
cosec4A + cot4A = 1/2 (cotA - tanA)
thank you!
Answer by Edwin McCravy(20062)   (Show Source): You can put this solution on YOUR website!


Work with left side to get everything in terms of sines
and cosines of A: 









































Edwin
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