## Related questions with answers

Question

Find the exact value of each quadrantal angle. If any are not defined, write undefined. $\sin \left( - 1530 ^ { \circ } \right)$

Solution

VerifiedStep 1

1 of 2Find the coterminal angle in the range of 0 to 360 by adding integer multiples of 360.

$-1530\text{\textdegree} + (5) 360\text{\textdegree} = 270\text{\textdegree}$

Then we can find

$\begin{align*} \sin (-1530\text{\textdegree}) &= \sin 270\text{\textdegree} = -1 \end{align*}$

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