Asked by Steven
evaluate the trigonometric function of the given quadrantal angle.
tan 1440°
Evaluate without using ratios in reference triangle.
sec 3π/4
tan 1440°
Evaluate without using ratios in reference triangle.
sec 3π/4
Answers
Answered by
Steve
tan 1440° = tan 1440-4(360) = tan 1440-1440 = tan 0° = 0
sec 3π/4 = -sec π/4 = -√2
sec 3π/4 = -sec π/4 = -√2
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