sec 0 =
A. 1/sinθ
B. ±√(cos²θ + 1)
C. ±√(tan²θ + 1)

Express cos in terms of sin.
A. ±√(1 - sin²θ)
B. 1 + sin²θ
C. sin²θ - 1

tan 0 =
A. 1/cotθ
B. 1 - cot²θ
C. 1 + sec²θ

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =