Use a sum-to-product identity to rewrite the expression.sin 
+ sin 
A. 2
B. 2
C. 2
D. 2
Answer: A
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Solve, rewrite in interval notation, and graph.-4 < 6x + 8 and 8x - 5 < 11
A. [-2, 2]
B. (-2, 2]
C. [-2, 2)
D. (-2, 2)
Find the modulo class to which the number belongs for the given modulo system.69, mod 16
A. 5 B. 10 C. 13 D. 8
For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (cosh t)i + (sinh t)j + tk; rectifying plane at t = 0.
A. x = 1 B. x - y = 1 C. x - y = -1 D. x = -1
Find the exact values of the remaining trigonometric functions of ? from the given information.csc ? = 
, ? in quadrant II
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = 
sec ? = 
cot ? = - 
B. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
C. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
D. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 