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cosx/secx+sinx/cscx=sec^2x-tan^2x
13 years ago

Answers

Damon
left and right are both 1
13 years ago
Damon
use sin squared + cos squared = 1
13 years ago
olivia
thanks
13 years ago
Damon
You are welcome. I did it out but was unable to post the solution. The board seems to be acting up.
13 years ago
olivia
Thats ok, I think I kind of understand it.
13 years ago

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