Prove that begin mathsize 20px style tan to the power of negative 1 end exponent open parentheses 1 third tan 2 A close parentheses plus tan to the power of negative 1 end exponent open parentheses c o t A close parentheses plus tan to the power of negative 1 end exponent open parentheses c o t cubed A close parentheses equals 0 end style

Asked by sunil2791 | 21st Apr, 2017, 07:20: PM

Expert Answer:

Answered by Rebecca Fernandes | 24th Nov, 2017, 01:07: PM