# Ch 11: Trigonometric Functions and Their Graphs

• Find the period of $\sin 4x$ — BISE Gujrawala(2015)
• Find the period of $\tan 4x$ — BISE Gujrawala(2017)
• Find the period of $\sin\frac{x}{5}$ — BISE Sargodha(2015), BISE Sargodha(2016)
• Find the period of $cosec10x$ — BISE Sargodha(2015)
• Find the period of $\cot\frac{x}{2}$ — BISE Sargodha(2017), BISE Lahore(2017)
• Show that $\sin x$ is periodic function and its period is $2\pi$ — FBISE(2017)
• Find the period of cosine function — FBISE(2017)
• fsc-part1-ptb/important-questions/ch11-trigonometric-functions-and-their-graphs