Find the values of $sin$, $cos$, and $ an$ for angles that satisfy the equation $2sin(x)cos(x) = 1$
Answer 1
First, recognize that $2\sin(x)\cos(x) = \sin(2x)$. Thus, the equation becomes:
$\sin(2x) = 1$
The solution for $\sin(2x) = 1$ occurs at:
$2x = \frac{\pi}{2} + 2k\pi$, where $k$ is any integer.
Thus:
$x = \frac{\pi}{4} + k\pi$
For $k = 0$:
$x = \frac{\pi}{4}$
Then:
$\sin(x) = \sin\left(\frac{\pi}{4}\right) = \frac{\sqrt{2}}{2}$
$\cos(x) = \cos\left(\frac{\pi}{4}\right) = \frac{\sqrt{2}}{2}$
$\tan(x) = \tan\left(\frac{\pi}{4}\right) = 1$
For $k = 1$:
$x = \frac{5\pi}{4}$
Then:
$\sin(x) = \sin\left(\frac{5\pi}{4}\right) = -\frac{\sqrt{2}}{2}$
$\cos(x) = \cos\left(\frac{5\pi}{4}\right) = -\frac{\sqrt{2}}{2}$
$\tan(x) = \tan\left(\frac{5\pi}{4}\right) = 1$
Answer 2
First, recognize that $2sin(x)cos(x) = sin(2x)$. Thus, the equation becomes:
$sin(2x) = 1$
The solution for $sin(2x) = 1$ occurs at:
$2x = frac{pi}{2} + 2kpi$, where $k$ is any integer.
Thus:
$x = frac{pi}{4} + kpi$
For $k = 0$:
$x = frac{pi}{4}$
Then:
$sin(x) = frac{sqrt{2}}{2}$
$cos(x) = frac{sqrt{2}}{2}$
$ an(x) = 1$
For $k = 1$:
$x = frac{5pi}{4}$
Then:
$sin(x) = -frac{sqrt{2}}{2}$
$cos(x) = -frac{sqrt{2}}{2}$
$ an(x) = 1$
Answer 3
Using the identity $2sin(x)cos(x) = sin(2x)$, we have:
$sin(2x) = 1$
Thus, $2x = frac{pi}{2} + 2kpi$, so:
$x = frac{pi}{4} + kpi$
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