Richard C. answered • 06/02/22
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Confidence-building Trigonometry tutor with 18 years experience
If: sin^2(theta) + cos^2(theta) = 1
then: cos^2(theta) = 1 - sin^2(theta)
Steven L.
asked • 06/02/22Solve the following for cos^2 theta:
sin2 theta + cos2 theta = 1.
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