Question

ABC ARE INTEERNAL ANGLE OF TRIANGLE FIND TAN B+C/2

Answer 1

Answer:

in ∆ ABC

A + B + c = 180°

=> B +C = 180 -A

Dividing both by 2

then

( B + C)/2 = ( 180 - A)/2

Step-by-step explanation:

see the attachment for the solution

formula used ; tan( 90 - ∅) = cot∅