Evaluate (if possible) the sine, cosine, and tangent of the real number. (If not possible, enter IMPOSSIBLE.) t = __/4

asked Jul 24, 2017 140k views

5 votes

Evaluate (if possible) the sine, cosine, and tangent of the real number. (If not possible, enter IMPOSSIBLE.)

t = __/4

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2 votes

t = -π/4
sin(-π/4) = -sin(π/4) = -1/√2
cos(-π/4) = cos(π/4) = 1/√2
tan(-π/4) = -1

Eselfar answered Jul 28, 2017

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