Without using a calculator, give the exact trigonometric function value with rational denominator.sec 30°
A. 
B. 
C. 1
D. 
Answer: A
Mathematics
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Find the length of the indicated portion of the trajectory.r(t) = (2 + 2t)i + (6 + 3t)j + (5 - 6t)k, -1 ? t ? 0
A. 5 B. 7 C. 8 D. 9
Mathematics
Solve the problem.Suppose that P dollars is invested in a savings account at an annual interest rate i, compounded monthly, for 2 months. The amount A in the account after 2 months is given by 
.Multiply this expression for A.
A. A = 
i2 + 
i + P
B. A = 
i2 + P
C. A = 
i2 + 
i + P
D. A = 
i2 + 
i + P
Mathematics
Use the graph to complete the identity.
= ? 
A. cot 3x + cot 7x B. -tan 2x C. 2 tan 5x tan 2x D. tan 5x
Mathematics
Provide an appropriate response.Give a definition for the following term: Exponential function.
What will be an ideal response?
Mathematics