Question

prove that sin theta sin(6degree-theta) sin(60degree+theta)=1/4sin3theta,hence find the value of sin 20degree.sin40degree.sin80degree​

Answer 1

Answer:

please refer to the attached

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

prove that sin theta sin(6degree-theta) sin(60degree+theta)=1/4sin3theta,hence find the value of sin 20degree.sin40degree.sin80degree