Verify the identity.
sin x + sin x tan^2 x=tan x sec x
Drag an expression into each box to correctly verify the identity.
sun(x) + sin(x)·tan2(x)
= sin(x)[ 1 + tan2(x) ]
= sin(x)[ sec2(x) ]
= sin(x)·sec(x)·sec(x)
= sin(x)·[ 1/cos(x) ]·sec(x)
= [ sin(x)/cos(x) ]·sec(x)
= tan(x)·sec(x)
