- #1

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Give the solution in radians which is in the second quadrant for the equation

4 sin(x) = 1.8

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- Thread starter princiebebe57
- Start date

- #1

- 31

- 0

Give the solution in radians which is in the second quadrant for the equation

4 sin(x) = 1.8

- #2

Homework Helper

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[tex]\sin x = \frac{9}{20}[/tex]

[tex]x = \arcsin(\frac{9}{20})[/tex]

That answer will give you the solution in the first quadrant.

Use the fact [tex]\sin (\pi - x) = \sin x[/tex] to finish off.

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