Write COS22 in terms of SIN? How do i do this

How many irrational numbers are there between 1 and 6? A:1 B:3 C:4 D:10 E: infinitely many

Franco hikes 4 miles each day for 5 days. He carries 100 ounces of water with him. It takes him 1hour to hike 4miles. How many hours did he hike in 5 days?

Which of the following statements are true? Check all that apply. A) The mean is affected by outliers. B) The mean is always a more accurate measure of center than the median.

5 root 12 + 4 root 12 - 3 root 18 + 75

A triangular pane of glass has a height of 30 inches and an area of 270 square inches. what is the length of the base pane

1. Simplify. tan (x + 540) 2. Simplify the expression. sec (x - 360) 3. Simplify. 5cos (x) + 3cos (-x)

When looking at a rational function f of x equals the quantity x plus three times the quantity x minus two times the quantity x plus five all divided by the quantity x minus three times the quantity x plus two times the quantity x minus 5, Charles

recently 5/8 of the items sold at Debbies Sporting Good were baseball caps. at Sasha Sports 7/10 of the items sold were baseball caps which store sold a greater fraction of baseball caps?

You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and mesure the angle of elevation to be 40°. How high is the tower to the nearest foot

A helicopter leaves central airport and flies north at 180 mi/hr. Twenty minutes later a plane leaves the airport and follows the helicopter at 330mi/hr. How long does it take the plane to overtake the helicopter