For any triangle ABC, If `B=3C`, show that `cosC=sqrt((b+c)/(4c)) and – InterviewSolution

InterviewSolution

1.	For any triangle ABC, If `B=3C`, show that `cosC=sqrt((b+c)/(4c)) and sinA/2=(b-c)/(2c)`A. `sinC`B. `cosC`C. `cotC`D. `tanC`
Answer» Correct Answer - B

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