if coso=0.6show that (5sin teeta-3tan teeth) =0
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tanα=( sin α/ cos α)
5 sin α cos α - 3 sin α =0
5*0.6 sin α - 3 sin α =0
3 sin α -3 sin α =0
5 sin α cos α - 3 sin α =0
5*0.6 sin α - 3 sin α =0
3 sin α -3 sin α =0
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