1.

A+B+C=π and cosA =cosBcosC then cotBcotC= Options1) 0 2)1 3)1/2 4)1/6 Answer is option 3

Answer»

A+B+C=π and cosA =cosBcosC then cotBcotC=

Options1) 0

2)1

3)1/2

4)1/6

Answer is option 3



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