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OpenStudy (pottersheep):
Really stuck on a trig Identity :(( Help please.... How do I prove that [tan(pi/4 + x) - tan (pi/4 - x)]/[tan(pi/4 + x) + tan (pi/4 - x)] = 2sinxcosx :(
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OpenStudy (trancenova):
Heya - looks like you've accidentally asked your math question in the wrong subject (English). So it is now closed. Please stick to the right subject :)
OpenStudy (pottersheep):
Oh no wonder no one helped me! LOL Thanks :)
OpenStudy (trancenova):
lol yup :P No worries
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