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OpenStudy (anonymous):
Prove :-
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OpenStudy (anonymous):
\[\frac{ cotA+tanB }{ cotB+tanA }=cotA*tanB\]
OpenStudy (anonymous):
its a sequence : :- :-)
OpenStudy (anonymous):
oh
OpenStudy (anonymous):
LoL @JamesWolf
terenzreignz (terenzreignz):
Usually, in proving identities, one converts everything in terms of sines and cosines. It might make it it cumbersome, but then again, everything falls into place, in the end...
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OpenStudy (ajprincess):
cotA=1/tanA cotB=1/tanB |dw:1363527993783:dw||dw:1363528046514:dw| Cancel the common factor. Does that help?
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