If A+B+C = pie cotAcotB + cotBcotC + cotCcotA = 1 prove it
Asked by rekkakr1095 | 9th Nov, 2010, 09:22: PM
Expert Answer:
Dear Student
Please check the signs in the question you have posted
cotAcotB + cotBcotC + cotCcotA = 1
Highlighted plus signs must be minus
here is the solution
Answered by | 10th Nov, 2010, 09:23: AM
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