Trig: Use a half angle formula to find the exact value of the expression?

cos (5pi/12)

Solve for x. -2 (x - 3) 2 + 170 = - 168

Explain the steps on 941 divided by 2

Bianca poured four cups of milk from a full half-gallon container. How many cups of milk were left in the container?

There were 20 girls and 10 boys on the swim team last summer. This summer, the number of girls decreased by 30% and the number of boys increased by 40%. How many members are on the swim team this summer?

A store is having a sale with 10% off everything Write an equation to show the ale price s of any item given its regular price r

Solve 12: (-2) x 3 - (-2)

Which would prove that ΔABC ~ ΔXYZ? Select two options.

15/16 days is 1/16 groups of what size

If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?

Which expression represents a quadratic expression in complete factored form? A. (x - 2) + (x+3) OB. (2x+4) (x+3) OC (x - 1) (3x - 9 OD. (x+4) (x-3)