Question

1)tan a-cot a=0,tan^2a+cot^2a=? 2) tanx=3cotx, x=?

Answer 1

1)Tan a = cota

[tex]Tan ^2 a = 1 Tan a = 1 a = 45[/tex]

$Tan^2 45 + Cot ^2 45 = 1/2 + 1/2 = 1$

2[tex]tanx=3cotx Tan ^2 x = 3 Tanx = \sqrt{3} x = 60 [/tex]