Find the sine, cosine, and tangent values for $45^circ$ on the unit circle.
Answer 1
To find the sine, cosine, and tangent values for $45^\circ$ on the unit circle, we use the following formulas:
$\sin 45^\circ = \frac{1}{\sqrt{2}}$
$\cos 45^\circ = \frac{1}{\sqrt{2}}$
$\tan 45^\circ = 1$
Therefore, the sine, cosine, and tangent values for $45^\circ$ are $\frac{1}{\sqrt{2}}$, $\frac{1}{\sqrt{2}}$, and $1$ respectively.
Answer 2
Let’s determine the sine, cosine, and tangent values for $45^circ$ on the unit circle.
From trigonometric identities, we have:
The sine of $45^circ$ is given by:
$sin 45^circ = frac{sqrt{2}}{2}$
The cosine of $45^circ$ is also:
$cos 45^circ = frac{sqrt{2}}{2}$
The tangent of $45^circ$ is the ratio of sine to cosine:
$ an 45^circ = frac{sin 45^circ}{cos 45^circ} = 1$
Thus, the sine, cosine, and tangent values for $45^circ$ are $frac{sqrt{2}}{2}$, $frac{sqrt{2}}{2}$, and $1$ respectively.
Answer 3
For $45^circ$ on the unit circle, the sine, cosine, and tangent values are:
$sin 45^circ = frac{1}{sqrt{2}} = frac{sqrt{2}}{2}$
$cos 45^circ = frac{1}{sqrt{2}} = frac{sqrt{2}}{2}$
$ an 45^circ = 1$
So, $sin 45^circ = frac{sqrt{2}}{2}$, $cos 45^circ = frac{sqrt{2}}{2}$, and $ an 45^circ = 1$.
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