cos^2 + sin^2 = 1
0.49 + sin^2 = 1
sin^2 = 0.51
sin = 0.71
tan = sin/cos = 0.71/-0.7 = -1.01
Kesiyah J.
asked • 03/13/21Using the identity sin^2 theta + cos^2 theta = 1 , find the value of tan 0 to the nearest hundredth, if cos 2 is -0.7 and is in Quadrant II.
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