Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = - 
, ? < ? < 
and tan ? = - 
, 
< ? < ?, find the exact value of cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Match the equation to its graph.x = 4
A. 
B. 
C. 
D. 
Mathematics
Find the surface area of the figure. Use 3.14 as an approximation for ?. Round your result to the nearest tenth.A sphere with d = 4.0 yd
A. 12.6 yd2 B. 33.5 yd2 C. 4.0 yd2 D. 50.4 yd2
Mathematics
Find the exact value of the composition.tan (2 tan-1 (2))
A. 
B. - 
C. - 
D. 
Mathematics
Simplify the expression.16-5/4
A. -32
B. -1024
C. 
D. - 
Mathematics