The expression cos^2 − cos 2 is equivalent to
(1) sin^2
(2) − sin^2
(3) cos^2 + 1
(4) − cos^2 − 1

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by

What is the inverse of the function f(x) = 2x + 1?

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o