Please help? Solve the equation fro exact solutions over the interval (0degrees, 360 degrees)

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1 Answer
Mar 2, 2018

1.

#theta=240^@,300^@#

2.

#theta=120^@,240^@#

Explanation:

1.

#3sin(theta)=sin(theta)-sqrt(3)#

#=>2sin(theta)=-sqrt(3)#

#=>sin(theta)=-sqrt(3)/2#

#=>theta=240^@,300^@#

2.

#5cos(theta)=3cos(theta)-1#

#=>2cos(theta)=-1#

#=>cos(theta)=-1/2#

#=>theta=120^@,240^@#