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Find sin(A+B), cos (A-B) when
sinA = 2/3, cos B = 3/4 ; A in quadrant II, B in quadrant
IV.
Make your sketches, find the missing sides of each triangle (A and B).

Find sinAB cos AB whensinA 23 cos B 34 A in quadrant II B in quadrantIVMake your sketches find the missing sides of each triangle A and B class=