Cbvn C.

asked • 04/15/21

If \sin A = \frac{12}{13}sinA= 13 12 ​ and \cos B=\frac{3}{5}cosB= 5 3 ​ and angles A and B are in Quadrant I, find the value of \tan(A-B)tan(A−B).

If sinA=1312​ and cosB=53​ and angles A and B are in Quadrant I, find the value of tan(A−B).

John M.

tutor
I don't understand the nomenclature \sin A = \frac{12}{13}sinA= 13 12 etc.
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04/15/21

Cbvn C.

if sin A = 12/13 and cos B 3/5 and angles A and B are in quadrant 1, find the value of tan tan(a-b)
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04/15/21

Mark M.

Determine cos A and sin B (Pythagoras) then determine tan A and tan B then tan (A + B)
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04/15/21

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