Question

Alpha + beta is 45 Then what is the value of tan alpha + tan beta?

Answer 1

`tanalpha+tanbeta=1-tanalphatanbeta`

Explanation:

As `alpha+beta=45^@`

`tan(alpha+beta)=tan45^@=1`

or `(tanalpha+tanbeta)/(1-tanalphatanbeta)=1`

or `tanalpha+tanbeta=1-tanalphatanbeta`