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