SOLUTION: I need help proving these two identities: 付an@-1= sin^2@-cos^2@/sin@cos@+cos^2@ (where @=theta) and 不inx+sinxcot^2x= cscx
If you can offer any help I would be very grateful!
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Question 891034: I need help proving these two identities: 付an@-1= sin^2@-cos^2@/sin@cos@+cos^2@ (where @=theta) and 不inx+sinxcot^2x= cscx
If you can offer any help I would be very grateful!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Clarify what the numerator & denominator is on the right side.
Don't waste your time and mine with @, just use, eg, tan(t)
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