Asked by olivia

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

13 years ago

Answered by Damon

left and right are both 1

13 years ago

Answered by Damon

use sin squared + cos squared = 1

13 years ago

Answered by olivia

thanks

13 years ago

Answered by 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

Answered by olivia

Thats ok, I think I kind of understand it.

13 years ago

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