Use a product-to-sum identity to rewrite the expression.sin 
cos 
A. 0.5
B. 0.5
C. 0.5
D. 0.5
Answer: C
Mathematics
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Solve the problem.Find the table that matches the given graph.
A. 
B. 
C. 
D. 
Mathematics
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find tan B when b = 8 and c = 9.
A. 
B. 
C. 
D. 
Mathematics
Find the nth term an of the geometric sequence.8, 24, 72, 216, 648, . . .
A. an = a1 + 3n B. an = (8)(3)n-1 C. an = (8)(3)n D. an = (8)(3n)
Mathematics
Differentiate.
Mathematics