Use the method of adding y-coordinates to graph the function.y = 2 sin x + sin 4x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use addition to check the subtraction problem. If the answer is incorrect, find the correct answer.
336
A. Incorrect; should be 345 B. Incorrect; should be 335 C. Correct D. Incorrect; should be 330
Mathematics
Use a product-to-sum identity to rewrite the expression.cos 15° sin 45°
A. 0.5(sin(60°) + sin (-30°)) B. 0.5(sin(60°) + sin (30°)) C. 0.5(cos(-30°) - cos (60°)) D. 0.5(cos(60°) + cos (-30°))
Mathematics
Solve the equation.
= 
A. {
, 
}
B. 
C. {- 
, - 
}
D. ?
Mathematics
Write out the first five terms of the sequence.{sn} = {n - 3}
A. s1= 3, s2= 6, s3= 9, s4= 12, s5= 15 B. s1= -2, s2 = -1, s3 = 0, s4 = 1, s5 = 2 C. s1= -3, s2= -2, s3= -1, s4= 0, s5= 1 D. s1= -2, s2= -1, s3= 0, s4= 1, s5= 2
Mathematics