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Questions (4)
what's the single trig. function of cos6xcosx-sin6xsinx
1 answer
432 views
Given sin a = 15/17 with a in Quadrant I and cos beta = 4/5 with beta in QuandrantIV, find the exact value of cos(a+beta)
1 answer
5,107 views
what is the amplitude, phase shift, and period of -3sin(2t- pie/3)
1 answer
451 views
on a triangle, A = 50 degrees, B = 81 degrees, and c = 12. what does a, b, and C equal?
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436 views
