Find the exact value of the trigonometric function. Do not use a calculator or tables.sin 
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Give an appropriate answer.How are the partial derivatives ?f/?x and ?f/?y of a function f(x,y) defined? How are they interpreted and calculated?
What will be an ideal response?
Mathematics
Write the number in ordinary notation.9 × 10-4
A. 0.009 B. 0.0009 C. -90,000 D. 0.00009
Mathematics
Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the velocity for the specific value of t.x = 
, y = 5t2 - 3, t = 2
A. 1.54, 270.1° B. 20.00, 270.1° C. 20.00, 90.1° D. 1.54, 90.1°
Mathematics
Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.5y4 - 9
A. Monomial, degree 5 B. Binomial, degree 5 C. Binomial, degree 4 D. Binomial, degree 0
Mathematics