Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find cos A when a = 7 and b = 6.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
- 
B. 
C. 
D. 
Mathematics
Solve the problem. Round to the nearest tenth of a percent.Find the annual percentage yield APY corresponding to the given rate of 5% compounding monthly.
A. 5.1% B. 5.2% C. 4.9% D. 5%
Mathematics
Find y '.y = (4x - 2)(2x3 - x2 + 1)
A. 8x3 + 8x2 - 24x + 4 B. 24x3 + 24x2 - 8x + 4 C. 32x3 - 24x2 + 4x + 4 D. 32x3 - 8x2 + 24x + 4
Mathematics
Consider the truth table shown. What gate does it represent?
condition A B Out
Mathematics