A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find tan ?.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Determine whether the source of error represents random or systematic error. Athlete's are timed in the 100-m dash by a person with a stop watch. There is some error involved in stopping the watch at the correct instant.
A. Systematic error B. Random error
Mathematics
Simplify the algebraic expression by collecting and combining like terms.-6a + 5a2 + 9a
A. 3a + 5 B. 3a + 5a2 C. 8a3 D. 3a + 9a2
Mathematics
Match the given function to its graph.1) y = 2 + sin x2) y = 2 + cos x3) y = -2 + sin x4) y = -2 + cos xA B
CD
A. 1B, 2D, 3C, 4A B. 1A, 2C, 3D, 4B C. 1A, 2D, 3C, 4B D. 1A, 2B, 3C, 4D
Mathematics
Represent the first ten terms of the sequence numerically and graphically.an = 
- 
A. 
B. 
C. 
D. none of these
Mathematics