SOLUTION: trying to help son and need starting point problem is:
(cscx + cotx) (cscx-cotx) = 1
just a formula setup would be great.
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-> SOLUTION: trying to help son and need starting point problem is:
(cscx + cotx) (cscx-cotx) = 1
just a formula setup would be great.
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Question 1019681: trying to help son and need starting point problem is:
(cscx + cotx) (cscx-cotx) = 1
just a formula setup would be great. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! (cscx + cotx) (cscx-cotx) = 1
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csc^2 - cot^2 = 1
That's an identity.
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If it's not recognized:
Multiply by sin^2
1 - cos^2 = sin^2
cos^2 + sin^2 = 1 - Pythagorean Identity
