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Solve or exact value 1+2sinx=0

asked Jul 2, 2018 19.7k views

3 votes

Solve or exact value 1+2sinx=0

Mathematics
high-school

Sankar Subburaj asked

by Sankar Subburaj

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2 Answers

6 votes

x=210 is the for these

Omarzl answered Jul 3, 2018

by Omarzl

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6 votes

2sinx = -1

Divide both sides by 2.

sinx = -(1/2)

In the unit circle, we are given two answers for sinx = -(1/2).

x = 210 degrees AND 330 degrees

NARKOZ answered Jul 7, 2018

by NARKOZ

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