Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Determine how many components the graph has.
A. 4 B. 2 C. 5 D. 1
Mathematics
Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Use one of the inverse trig functions csc-1 or sec-1 to express angle A in terms of b.
A. A = csc-1 
B. A = csc-1 
C. A = sec-1 
D. A = sec-1 
Mathematics
Solve the equation ?x+4 = ?2x
What will be an ideal response?
Mathematics
Solve.A rectangular plot of land measure 90 feet by 170 feet. Find its area.
A. 260 sq. ft. B. 520 sq. ft. C. 1530 sq. ft. D. 15,300 sq. ft.
Mathematics