Trigonometry
Trigonometric Functions
Given: Sec θ = (7/2), Find: Cos θ

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Is there an x intercept in the equation 60*1.15^x