Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? > 0Find cos 
.
A. 
B. 
C. 
D. 
Answer: C
You might also like to view...
Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = y - ex - 2, y(2) = 2, dx = 0.5
A. y1 = -2.0945, y2 = -10.4330, y3 = -25.6523 B. y1 = -1.2945, y2 = -8.8330, y3 = -25.3323 C. y1 = -0.8945, y2 = -8.0330, y3 = -25.1723 D. y1 = -1.6945, y2 = -9.6330, y3 = -25.4923
Solve the problem.Mrs. Walker wants to hang a wallpaper border along the walls of a baby's room withdimensions shown in the figure. How many inches of wallpaper border will she needto buy?
A. 375 feet B. 109 inches C. 242 inches D. 375 inches
Differentiate.
Find the equation of the least squares line.Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. 
A. y = -19.4 - 0.930x B. y = -0.930 + 19.4x C. y = 19.4 + 0.930x D. y = 0.930 - 19.4x