Cos(pie +theta)cos(-theta)/cos(pie-theta)sintheta
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Cos(pie + theta)= -Sin(theta)
Cos(-theta) = Cos(theta)
Cos(pie - theta) = -Sin(theta)
After that
Ans:- Tan(theta)
Cos(-theta) = Cos(theta)
Cos(pie - theta) = -Sin(theta)
After that
Ans:- Tan(theta)
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