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AravindGBest ResponseYou've already chosen the best response.2
Multiply with cos B on numerator and denominator.
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
you will se that you get something similar to previous question
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
(sinA+cosAtanB) X cos B ________________________ (cosAsinAtanB) X cos B
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
Try opening up the brackets .
 11 months ago

hothand621Best ResponseYou've already chosen the best response.0
ok, so you get this: \[(sinAcosB+cosAcosBtanB)/(cosAcosBsinAcosBtanB)\] so what next?
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
\[\tan B \times \cos B= .....\] Can you find that ?
 11 months ago

hothand621Best ResponseYou've already chosen the best response.0
ummmm no, i suck at harder trig
 11 months ago

RolyPolyBest ResponseYou've already chosen the best response.0
Hint: tan B = sinB / cosB
 11 months ago

hothand621Best ResponseYou've already chosen the best response.0
yes and that doesnt equal tan(a+b)
 11 months ago

RolyPolyBest ResponseYou've already chosen the best response.0
Simplify it first :) No need to be hurry :)
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
yep replace it in your question
 11 months ago

hothand621Best ResponseYou've already chosen the best response.0
replace what though
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
(sinA+cosAtanB) X cos B = sin A cos B+cos A sin B !
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
Seen that somewhere?
 11 months ago

hothand621Best ResponseYou've already chosen the best response.0
ummm give me a minute
 11 months ago

hothand621Best ResponseYou've already chosen the best response.0
what happens to the denominator?
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
Open up the brackets !
 11 months ago

AravindGBest ResponseYou've already chosen the best response.2
(cosAsinAtanB) X cos B=.........
 11 months ago

hothand621Best ResponseYou've already chosen the best response.0
thanks man, solved :)
 11 months ago
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