Prove the identity.2 cot 2x cos x = csc x - 2 sin x
What will be an ideal response?
2 cot 2x cos x = 
= 
= 
- 2 sin x = csc x - 2 sin x.
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Use the actuarial method to find the amount of unearned interest for the loan paid in full before the due date.Regular Monthly Payment: $316.29APR: 9.0%Remaining Number of Scheduled Payments After Payoff: 30
A. $1072.26 B. $679.78 C. $1200.18 D. $1019.67
Graph the equation.y = -x2 + 1
A. 
B. 
C. 
D. 
Find a linear function whose graph has the given slope and y-intercept.Slope -8, y-intercept (0, -9)
A. f(x) = -8x - 9 B. f(x) = -9x - 8 C. f(x) = -8x + 9 D. f(x) = -8x + 8
Let x be a number. Translate the expression into an English phrase. 49 ÷ x
A. Divide a number by 49. B. The quotient of a number and 49 C. The quotient of 49 and a number D. The ratio of a number to 49