10th Class Mathematics Test Unit 7 - Introduction to Trigonometry

Unit 7 – Introduction to Trignometry

Quiz

 

1. 1. What is the value of sin⁡90∘\sin 90^\circsin90∘?
   1.   0
   2.   1
   3.   -1-1-1
   4.   Undefined
2. 2. The hypotenuse of a right triangle is always:
   1.   The shortest side
   2.   The longest side
   3.   Equal to the base
   4.   Equal to the height
3. The value of cos⁡0∘\cos 0^\circcos0∘ is:
   1.   0
   2.   1
   3.   -1-1-1
   4.   Undefined
4. In a right triangle, the tangent of an angle is defined as:
   1.   A) oppositeadjacent\frac{\text{opposite}}{\text{adjacent}}adjacentopposite
   2.   B) adjacentopposite\frac{\text{adjacent}}{\text{opposite}}oppositeadjacent
   3.   C) hypotenuseadjacent\frac{\text{hypotenuse}}{\text{adjacent}}adjacenthypotenuse
   4.   oppositehypotenuse\frac{\text{opposite}}{\text{hypotenuse}}hypotenuseopposite
5. The Pythagorean identity is:
   1.   sin⁡2A+cos⁡2A=1\sin^2 A + \cos^2 A = 1sin2A+cos2A=1
   2.   an⁡2A+sec⁡2A=1\tan^2 A + \sec^2 A = 1tan2A+sec2A=1
   3.   cot⁡2A+csc⁡2A=1\cot^2 A + \csc^2 A = 1cot2A+csc2A=1
   4.   sin⁡2A+tan⁡2A=1\sin^2 A + \tan^2 A = 1sin2A+tan2A=1
6. The value of cot⁡90∘\cot 90^\circcot90∘ is:
   1.   0
   2.   1
   3.   Undefined
   4.   -1-1-1
7. 
   If tan⁡A=1\tan A = 1tanA=1, then A=A =A=:
   
   1.   0∘0^\circ0∘
   2.   30∘30^\circ30∘
   3.   45∘45^\circ45∘
   4.   60∘60^\circ60∘
8. What is the value of sin⁡30∘\sin 30^\circsin30∘?
   1.   0.5
   2.   3/2\sqrt{3}/23/2
   3.   2/2\sqrt{2}/22/2
   4.   1
9. If sin⁡A=45\sin A = \frac{4}{5}sinA=54, what is the value of csc⁡A\csc AcscA?
   1.   5/4
   2.   4/5
   3.   1
   4.   0.8
10. If tan⁡A=34\tan A = \frac{3}{4}tanA=43, find the value of sec⁡A\sec AsecA:
    1.   5/3
    2.   5/4
    3.   5\sqrt{5}5
    4.   None of the above