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(Solved): 2. What trig ratio in the 4 th quadrant is equivalent to the \( \operatorname{Sin} 30^{\circ} \) ? ...
2. What trig ratio in the 4 th quadrant is equivalent to the \( \operatorname{Sin} 30^{\circ} \) ? 3. If \( \cos \emptyset=-0.6428 \) and \( 0^{\circ} \leq \emptyset \leq 360^{\circ} \) what are the measurements of the standard angle(s)?
Using the ambiguous case what are the 2 possible angles (acute \& obtuse) for B. Round to the nearest degree.
Expert Answer
(2) We need to find the t