Is this statement true or false? \[ \text { If } \sin 30^{\circ}=0.5 \text {, then } \sin ^{-1} 0.5=30^{\circ} \text {. } \]

Simplify \( \frac{1+\sec (t)}{1+\cos (t)} \) to a single trig function.

Solve \( 8 \sin (6 x)=7 \) for the two smallest positive solutions \( A \) and \( B \), with \( A<B \) \( A=\square \) \( B=\square \) Give your answers accurate to at least two decimal places.

Find an angle \( \theta \) coterminal to \( 1256^{\circ} \), where \( 0^{\circ} \leq \theta<360^{\circ} \)

Thid an angle 9 coterminal to \( 1066^{\circ} \), where \( 0^{\circ} \leq 0<360 \)

166 Un angolo alla circonferenza ha ampiezza \( \alpha \) e \( \cos \alpha=\frac{8}{17} \). Trova seno e coseno del corrispondente angolo al centro. 808 \( \left[\sin \beta=\frac{240}{289} ; \cos \beta=-\frac{161}{289}\right] \)