Solving Trigonometric Equations (4 of 4: Adjusted Frequency & Phase)

[lukewharris]

No cap, grinded all night after 6 weeks of not understanding anything from school. Now I am easily the best in the world at trigonometry. Thank you sir.

[zubin.r]

Somehow Eddie draws perfect curves, my curves look like the joker's smile if he broke his arm whilst using his lipstick

[itsyogurt]

On the first you graped, I thought the x intercept is 90 degrees?

[serinacat]

Dont understand the
graph for second question