Complete the identity.sec4 ? - 2 sec2 ? tan2 ? + tan4 ? = ?
A. sec2 ? + tan2 ?
B. 2
C. sec2 ? (1 + tan2 ?)
D. 1
Answer: D
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Using the table approach, the future amount of an annuity due may be calculated by finding the table factor for the future amount of an ordinary annuity of
A. ?n+ 1 and then subtract 1. B. ?n+ 1 and then add 1. C. ?n-1 and then add 1. D. ?n-1 and then subtract 1.
Complete the sentence: On an annual basis the first set of expenses is ____ % of the second set of expenses.Elena spends $4 per day on a coffee at the neighborhood cafe and $360 per month on food.
A. 5% B. 8% C. 34% D. 406%
Write the first five terms of the geometric sequence with the given first term a and common ratio r.a = -8; r = -4
A. -4, 32, -128, 512, -2048 B. -8, -12, -16, -20, -24 C. -8, -32, -128, 512, -2048 D. -8, 32, -128, 512, -2048
Write the trigonometric expression as an algebraic expression containing u and v.cos (sin-1 u - cos-1 v)
A. uv - (
)(
)
B. v
+ u
C. v
- u
D. uv + (
)(
)