Please solve this question.
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L.H.S
1/2[{sin@(1-cos@)}/(1-cos²@) + (1+cos@)/sin@],
1/2[{sin@(1-cos@)}/sin²@ + (1+cos@)/sin@],
1/2[(1-cos@)/sin@ + (1+cos@)/sin@],
1/2[(1-cos@+1+cos@)/sin@],
1/2[2/sin@],
1/sin@,
L.H.S=R.H.S
1/2[{sin@(1-cos@)}/(1-cos²@) + (1+cos@)/sin@],
1/2[{sin@(1-cos@)}/sin²@ + (1+cos@)/sin@],
1/2[(1-cos@)/sin@ + (1+cos@)/sin@],
1/2[(1-cos@+1+cos@)/sin@],
1/2[2/sin@],
1/sin@,
L.H.S=R.H.S
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