Trigonometric identities can be used to simplify the equations that appear in engineering applications. Confirm the identity tan(2x) = (2 × tan x)/(1– tan 2 x) by plotting both sides of this...

Trigonometric identities can be used to simplify the equations that appear in engineering applications. Confirm the identity tan(2x) = (2 × tan x)/(1– tan²
x) by plotting both sides of this expression for the interval 0 ≤ x ≤ 2