anonymous
  • anonymous
Find the general solution for cos x = 0, where n is an integer.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Mertsj
  • Mertsj
Remember that the cosine is like x. So the cosine is 0 when the angle is 90 degrees or 270 degrees. Every trip around the circle will have cosine of 0 at those points so the solution is : \[x=90, 270 +2\pi n\]
Mertsj
  • Mertsj
If you want it in terms of radians, it is: \[x= \frac{\pi}{2}, \frac{3\pi}{2} + 2\pi n\]
Mertsj
  • Mertsj
The one in degrees should have been +360 n

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More answers

anonymous
  • anonymous
can u help me with another one 3csc x=6
anonymous
  • anonymous
would the answer be pi/6 + 2pi n
anonymous
  • anonymous
and 5pi/6 + 2pi n
Mertsj
  • Mertsj
\[\csc x=2\] \[\sin x=\frac{1}{2}\] \[x=\frac{\pi}{6}, \frac{5\pi}{6}+2\pi n\]
Mertsj
  • Mertsj
Good for you. You got that one.
anonymous
  • anonymous
and for this one ten= \[\sqrt{3}\]
anonymous
  • anonymous
tan=\[\sqrt{3}\]
anonymous
  • anonymous
is the answer pi/3 + npi
Mertsj
  • Mertsj
\[x=\frac{\pi}{3}, \frac{4\pi}{3} + 2\pi n\]
Mertsj
  • Mertsj
Yes. You could just say pi/3 +n pi. It would be the same thing.
anonymous
  • anonymous
and 2 more question: i just want to make sure
Mertsj
  • Mertsj
ok
anonymous
  • anonymous
If you wanted to solve the equation 2sin x = 1, then you could find the solutions by looking at
anonymous
  • anonymous
here are the options: the x-intercepts of y = 2sin x - 1 the y-intercepts of 2sin x = 1 the y-intercepts of y = 2sin x - 1 the x-intercepts of 2sin x = 1
Mertsj
  • Mertsj
The first one.

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