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Find all solutions to the given equations. Then find all solutions in the interval [0,2pie) a....

Find all solutions to the given equations. Then find all solutions in the interval [0,2pie)

a. 2sin^2(theta)-sin(theta)-1=0

b. tan(2theta)=cot(2theta)

c. sin(3theta)-sin(6theta)=0

d.sec^2(theta)=2tan(theta)

Please Show All Work

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