Provide an appropriate response.Give the signs of the three trigonometric functions of the vector with the endpoint (-3, 5).
A. sine, positive; cosine, negative; tangent, negative
B. sine, negative; cosine, positive; tangent, positive
C. sine, positive; cosine, positive; tangent, negative
D. sine, positive; cosine, negative; tangent, positive
Answer: A
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Provide an appropriate response.Consider the graphs of y = cos-1 x and y = sin-1 x. Does it make sense that the derivatives of these functions are opposites? Explain.
What will be an ideal response?
Convert 
to mg/L
A. 1600mg/L B. 6.4mg/L C. 6400mg/L D. cannot be converted
Solve the problem.Estimate the answer by rounding the first number to the nearest ten thousand and the second number to the nearest hundred.53,130 ÷ 469
A. 90 B. 1000 C. 100 D. 900
Solve the problem.An airplane is flying in the direction 31° east of south at 873 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 