tan(25+5)= tan25+5/1-tan25tan5
tan(30)= tan25+5/1-tan25tan5
1/root(3)= tan25+5/1-tan25tan5
ur answer is 1/root(3)
please help me.
use trig. identities to find the exact value.
tan 25° + tan 5° / 1- tan 25° tan 5°
1 answer