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Find the general solutions of the following equation: `sintheta=tantheta`

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Given`,sintheta=tantheta`
=`sintheta=(sintheta)/(costheta)​`
=`sinthetacostheta=sintheta`
=`sinthetacostheta−sintheta=0`
=`sintheta(costheta−1)=0`
either `sintheta=0 `or `costheta−1=0`
either` sintheta=0 `or `costheta=1`
or` sintheta=0` or `costheta=cos0 `
...
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