Find the value of #(tan60-tan20)/(1+tan60tan20)#?
1 Answer
Nov 29, 2017
Explanation:
#"using the "color(blue)"addition formulae for tan"#
#•color(white)(x)tan(A+-B)=(tanA+-tanB)/(1∓tanAtanB)#
#"right hand side "#
#(tan60-tan20)/(1+tan60tan20)#
#=tan(60-20)^@=tan(40^@)=0.839#