Find a numerical value of one trigonometric function of x for cos2x+ 2 sin x - 2 = 0 a.
Sinx = 0
c.
sinx = 1
b.
tanx = 0
d.
tanx=1

Match each polynomial with its factorization.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?