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aleksandr82 [10.1K]
3 years ago
9

2 sin2x + 3 cos x – 3 = 0

Mathematics
1 answer:
sashaice [31]3 years ago
7 0

Answer:

-1.214789091

Step-by-step explanation:

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HELP ME ASAP PLIS. This is the last question I don’t get it please help me people
ipn [44]

Answer:

Component Form: v = <-1,6>

Magnitude of v: ||v|| = √37

Direction of v: θv = 100° (to the nearest degree)

Step-by-step explanation:

Component Form: v = <(5-6),(3-(-3))> = <-1,6>

Magnitude of v: ||v|| = √[(-1)²+(6)²] = √(1+36) = √37

Direction of v: α = tan⁻¹|6/-1| = tan⁻¹|-6| = tan⁻¹(6) = 80.53° which is your reference angle, but to verify that the angle is in the second quadrant, you'll need to do θv = 180° - 80.53° = 99.47°, therefore your direction angle is θv=100° to the nearest degree.

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A rotation followed by a reflection I think
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gtnhenbr [62]

Answer:

D is the correct answer

Step-by-step explanation:

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maksim [4K]

Answer:

Step-by-step explanation:

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Given the equation f(x) = (x + 3)2 – 8, fill in the blanks:
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Quadratic f(x) = (x -h)² +k has vertex (h, k) and axis of symmetry x=h. When k is negative, the number of real solutions is 2, because both branches of the function cross the x-axis.

In your equation, h = -3 and k = -8.

Axis of symmetry: x = -3
Vertex: (-3, -8)
Number of real solutions: 2

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3 years ago
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