10th Samacheer Quiz

Q1. In a right triangle, adjacent=4 and hypotenuse=5. Find cos θ.

3/5 4/5 5/4 1/5

Q2. What is the value of tan 45°?

0 1/2 1 √3

Q3. If sin θ=3/5 for an acute θ, find cos θ.

3/4 4/5 5/4 5/3

Q4. Which expression equals tan θ?

cosθ/sinθ sinθ/cosθ 1/sinθ 1/cosθ

Q5. What is sin 90°?

0 1/2 1 undefined

Q6. sec²θ−tan²θ இன் மதிப்பு?

0 1 2 sec θ

Q7. What is tan 45°?

0 1/2 1 √3

Q8. What is cos 30°?

1/2 √3/2 1 0

Q9. What is cosec 30°?

1 2 √3 1/2

Q10. If tan θ=3/4, what is the ratio opposite:adjacent?

4:3 3:4 3:5 4:5

Trigonometry