Math, asked by vaibhavyadav947, 9 months ago

if A+B+C=180,and cosA=cosBcosC,show that 2cotBcotC=1

Answers

Answered by vavilala92

0

Answer:

Yes

Step-by-step explanation:

A+B+C=180 =60+60+60

So,we can find by using above equation is

2*1/TanB *1/TanC=2*1/¬3*¬3=1

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