Give the signs of the three trigonometric functions of the vector with the endpoint (2, 8).
A)sine, positive; cosine, negative; tangent, positive
B)sine, positive; cosine, positive; tangent, positive
C)sine, negative; cosine, positive; tangent, positive
D)sine, negative; cosine, negative; tangent, negative

Question

Quizplus · Accepted Answer

The vector (2, 8) is in the first quadrant where all trigonometric functions (sine, cosine, and tangent) are positive.

Give the Signs of the Three Trigonometric Functions of the Vector