Question

question inside :)

Answer 1

answer choices A,B,C, D from top to bottom :)

**my answer: B. y= sec x

is that right? :)

Answer 2

You're correct, because whenever
\[\large x=\frac\pi 2+n\pi \ \ \ \ \ \ \ n\in \mathbb{Z}\]
\[\large \sec(x) = \frac1{\cos x}=\frac10\]

Answer 3

whoo hooo!! :D yayyy :D thanksss :D