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solve algebraically over 0 and 2pi. then give general solution
tan^2 x + 6tanx - 7
so i factored it and got
(tanx +7)(tanx - 1)
tanx = -7, 1
then do you reject the -7? why? i graphed it and only saw the two solutions from tanx = 1
tan^2 x + 6tanx - 7
so i factored it and got
(tanx +7)(tanx - 1)
tanx = -7, 1
then do you reject the -7? why? i graphed it and only saw the two solutions from tanx = 1