5. Trigonometric Functions
Interactive practice questions
Find the value of $\cos0^\circ$cos0°.
$-1$−1
A
$0$0
B
$\text{undefined }$undefined
C
$1$1
D
Easy
< 1min
Find the exact value of $\cos4\pi$cos4π
Easy
< 1min
Find the value of $\tan\left(-630^\circ\right)$tan(−630°).
Easy
< 1min
Find the value of $\sin630^\circ$sin630°.
Easy
< 1min
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