SOLUTION: 1/sec+1/tan=sec-tan theta prove it.
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Question 982402: 1/sec+1/tan=sec-tan theta prove it.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1/sec+1/tan=sec-tan
cos + cot = sec - tan
Multiply by cos
cos^2 + cos^2/sin = 1 - sin
(cos^2 + 1)/sin = 1 - sin
cos^2 + 1 = sin - sin^2
Not an identity.
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