Test: Trigonometric Functions I - Ambitious

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Question 1:   Compare these two angles expressed in radians: π 4 and 1 .
π 4 =1
π 4 <1
π 4 1
π 4 >1
Question 2:   Solve the expression sin0+tgπcos2π .
1 2
1
0
1
Question 3:   Which of these functions can be equal to 6 2 :
      1) sinα 2) cosα 3) tgα
1) and 3)
2)
3)
1) and 2)
Question 4:   Solve the expression sin 2 30° + cos 2 60° .
1+ 3 2
3 1 2
1 2
1 2
Question 5:   Compare two expressions: sin20° and sin21° .
sin20°=sin21°
sin20°<sin21°
sin20°>sin21°
sin20°sin21°
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