Test: Functions II - Ambitious

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Question 1:   Find the period of the function f( x )=cos( θ 3 )
2π
6π
1 3 π
3π
Question 2:   Find the period of the function f( x )=6cot( 3θ+4 )
7π
π
4 3 π
π 3
Question 3:   Find the period of the function f( x )=2cos( θ 2 )+5cos( θ 3 )
12π
4π
18π
6π
Question 4:   Find the period of the function f( x )= 1 5 sin( 3θ )+ 1 4 sin( θ 5 )
10π
30π
5π
2 3 π
Question 5:   Find the amplitude of the function f( x )=3sin( θ 15 )
30
1
3
6
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