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How do I draw this: If $\cos{\theta} = - \dfrac{6}{10}$ and $0°$?
in Mathematics by Diamond (62,244 points) | 30 views

1 Answer

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This is cos x  = -3/5

                  x = 53.13 degrees, but cos is negative in 2nd and 3rd quadrants.

in 2nd x = 180- 53.13 = 126.87 degrees and 3rd x = 180 + 53.13 = 233.13 degrees.

Then draw the graph of cos x , and mark the points (126.97;0) and (233.13;0)
by Diamond (42,470 points)

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