Find all angles ? between 0 and 180° satisfying the given equation. Round all answers to two decimal places. cos? = 0.9
What will be an ideal response?
25.84°
Mathematics
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Find the area of the shaded region.
A. 
B. 3
C. 
D. 5
Mathematics
Find the nth, or general, term.-1, 1, -1, 1, . . .
A. -1n-1 B. (-1)n-1 C. -1n D. (-1)n
Mathematics
Differentiate.y = 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.x + 10 + 2x = -5 - 2x - 30
A. 5 B. -9 C. -5 D. 9
Mathematics