Trigonometry

Angle Sum and Difference, Double Angle and Half Angle Formulas

Find the exact value of:

If sinx = 5/6, find Cos (2x)

Jess deposited $5,000 into an account that earns simple interest. After 9 years, Jess had earned $3,150 in interest. What was the interest rate of the account?

Kim says the amount of flour in the recipe can be expressed as a fraction. IS she correct?

Simplify the following expression 121 divided 11 + 3 x 4/2

Which expression is equivalent to 0. 5 * 0. 6 0. 5 * 0. 6? A. (5x10) x (6x10) B. (5x1/10) x (6x1/100) C. (5x1/100) x (6x1/100) D. (5x1/10) x (6x1/10)

A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2 What is the net force, to the nearest newton, that accelerates the ball?

A stretch of highway that is 12 1 4 12 4 1 12, start fraction, 1, divided by, 4, end fraction kilometers long has speed limit signs every 7 8 8 7 start fraction, 7, divided by, 8, end fraction of a kilometer.

What percentage of 250 is 25?

Write four irrational number between 0.1 and 0.2

An antalope can run at a speed of 61 miles per hour what is the speed in yards per sec round to the nearest hundred

paul borrows 1310 at 2% simple intrest per month. when paul pays the loan back 5 years later, what is the total amount that paul end up paying answer