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Q48.

Expert-verifiedFound in: Page 768

Book edition
Middle English Edition

Author(s)
Carter

Pages
804 pages

ISBN
9780079039903

**Find the exact value of the function $\mathrm{sin}\left(390\xb0\right)$.**

The exact value of given function is $\frac{1}{2}$.

The given function is $\mathrm{sin}\left(390\xb0\right)$.

The value of trigonometric function $\mathrm{sin}\left(390\xb0\right)$ is evaluated as:

$\begin{array}{c}\mathrm{sin}\left(390\xb0\right)=\mathrm{sin}\left(360\xb0+30\xb0\right)\\ =\mathrm{sin}\left(30\xb0\right)\\ =\frac{1}{2}\end{array}$

The exact value of given function is $\frac{1}{2}$.

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