Angles of any magnitude
Interactive practice questions
Which expression is equal to $\sin\left(360^\circ+\theta\right)$sin(360°+θ)?
$\sin\theta$sinθ
A
$\cos\theta$cosθ
B
$-\sin\theta$−sinθ
C
$-\cos\theta$−cosθ
D
Medium
< 1min
State whether each of the following are equal to $\cos\theta$cosθ or not.
Medium
1min
Simplify the following.
Medium
1min
Find the value of $\cos0^\circ$cos0°.
Easy
< 1min
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