Rewrite 1−2 sin ^2 (22.5∘) using a double-angle identity.

a. sin 45
b. sin 11.25
c. cos 11.25
d. cos 45

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

Atriangle in the coordinates of (2,3), (-4,5) and (-2,4) it is translated 3 units down. what are it’s new coordinates