Use a half-angle formula to find the exact value of the expression.sin 
A.
B.
C. -
D. -
Answer: B
Mathematics
You might also like to view...
Which of the following is not true about the angles in a parallelogram??
A. ?Opposite angles are congruent. B. ?Adjacent angles are congruent. C. ?Adjacent angles are supplementary. D. ?The sum total of interior angles in a parallelogram equals 360?. E. ?When a parallelogram is bisected at a diagonal, the two triangles resulting are congruent because of the ASA Postulate.
Mathematics
Use power series operations to find the Taylor series at x = 0 for the given function.
A.
B.
C.
D.
Mathematics
Solve the problem.Find the area of the parallelogram determined by the points P(7, -5, 5), Q(-2, -9, 4), and
A.
B.
C.
D. 9
Mathematics
Evaluate the function.f(x, y) = + xy; find f(-8, -8).
A. 65 B. 1 C. 128 D. 63
Mathematics