Use special right triangles to evaluate the expression.cos 45°
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Use series to estimate the integral's value to within an error of magnitude less than 10-3.
A. 0.09758 B. 0.4816 C. 0.1974 D. 0.2845
Mathematics
Provide an appropriate response.Find f-1. Graph f and its inverse f-1 on one coordinate plane. Graph y = x as a dashed line for reference.f(x) = -2x + 3
A. f-1(x) = -2x - 3
B. f-1(x) = - 
x + 
C. f-1(x) = 2x - 3
D. f-1(x) = 
x - 
Mathematics
The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.10, 24, 26
A. right triangle; 24 B. right triangle; 26 C. right triangle; 10 D. not a right triangle
Mathematics
Evaluate the expression.28 - (-61)
A. 89 B. 33 C. -89 D. -33
Mathematics