Asked by Steven

evaluate the trigonometric function of the given quadrantal angle.

tan 1440°

Evaluate without using ratios in reference triangle.

sec 3π/4

13 years ago

Answered by Steve

tan 1440° = tan 1440-4(360) = tan 1440-1440 = tan 0° = 0

sec 3π/4 = -sec π/4 = -√2

13 years ago

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