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InterviewSolution
| 1. |
If a+b+c = 180,prove that |
| Answer» <html><body><p>||जय श्री कृष्णा||</p><p></p><p></p><p>Solution: </p><p>Given that, A + <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a> + <a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a> = <a href="https://interviewquestions.tuteehub.com/tag/180-279527" style="font-weight:bold;" target="_blank" title="Click to know more about 180">180</a></p><p>=> B+C = 180-A</p><p> </p><p>LHS = tan[(B+C/<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)] </p><p>= tan[(180-A)/2] </p><p>= tan(90-A/2) </p><p>= cot(A/2) </p><p>= RHS</p></body></html> | |