I kind of think I know what I could do, but I am unsure how to proceed. Q: Find a + b in radians if tan a = M and tan b = N and (3M+3)(2N+2)= 12.
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Originally Posted by mathAna1ys!5 I kind of think I know what I could do, but I am unsure how to proceed. Q: Find a + b in radians if tan a = M and tan b = N and (3M+3)(2N+2)= 12. If and then, (1) Now since factor and divide thus, now open parantheses (remember to FOIL) thus, thus, substitute that into (1): thus, thus, as one anwer. Q.E.D. (Note it was assumed that was non-coterminal was or ).
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