Solve the following trigonometric equation for 150<β<470\displaystyle {150}^{\circ}<\beta<{470}^{\circ}:

cos(β39)=0.334\displaystyle {\cos{{\left(-\beta-{39}^{\circ}\right)}}}={0.334}

r.a.=\displaystyle {r}.{a}.=\displaystyle \circ  

General Soltion(s)

where kZ\displaystyle {k}\in{Z}

 

or where kZ\displaystyle {k}\in{Z}

 

β=\displaystyle \beta= where kZ\displaystyle {k}\in{Z}

 

or β=\displaystyle \beta= where kZ\displaystyle {k}\in{Z}

 

Specific Solution(s)

β=\displaystyle \beta=