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 = 
and c = 13.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Name the quadrant in which the point is located. (-2, 5)
A) I B) II C) IV D) III
Mathematics
Solve the equation.
- 
= 
A. {55}
B. {-11}
C. {11}
D. {
}
Mathematics
Find the area of the figure.
A. 27 ft2 B. 49 ft2 C. 126 ft2 D. 63 ft2
Mathematics