**Q1: **

Find the direction cosines of the vector .

- A
- B
- C
- D

**Q2: **

Find the direction cosines of the vector .

- A
- B
- C
- D

**Q3: **

The direction angles of are , , and . Which of the following planes contains ?

- A
- B
- C

**Q4: **

The direction angles of are , , and . Which of the following planes contains ?

- A
- B
- C

**Q5: **

Find vector whose norm is 41 and whose direction angles are .

- A
- B
- C
- D

**Q6: **

Find vector whose norm is 21 and whose direction angles are .

- A
- B
- C
- D

**Q7: **

The vector has length 10. Write this vector using , , and , with components accurate to two decimal places.

- A
- B
- C
- D

**Q8: **

The vector has length 13. Write this vector using , , and , with components accurate to two decimal places.

- A
- B
- C
- D

**Q9: **

Find the direction cosines of the straight line whose direction ratio is .

- A,
- B,
- C,
- D,
- E,

**Q10: **

Find the direction cosines of the straight line whose direction ratio is .

- A,
- B,
- C,
- D,
- E,

**Q11: **

Find the direction cosines of the vector that lies in the positive coordinate plane and makes an angle of with the positive -axis.

- A
- B
- C
- D
- E

**Q12: **

Find the direction cosines of the vector that lies in the positive coordinate plane and makes an angle of with the positive -axis.

- A
- B
- C
- D
- E

**Q13: **

Find the direction cosines of the vector that lies in the positive coordinate plane and makes an angle of with the positive -axis.

- A
- B
- C
- D
- E

**Q14: **

- A
- B
- C
- D
- E

**Q15: **

- A
- B
- C
- D
- E

**Q16: **

Which of the following gives the direction cosines of a straight line?

- A
- B
- C
- D
- E

**Q17: **

Find the direction angles of the vector .

- A
- B
- C
- D
- E

**Q18: **

Find the direction angles of the vector .

- A
- B
- C
- D
- E

**Q19: **

Find the direction angles of the vector .

- A
- B
- C
- D

**Q20: **

The given figure represents a vector whose norm is 5 units. Find the size of the direction angles of approximated to one decimal place.

- A, ,
- B, ,
- C, ,
- D, ,

**Q21: **

If , find the size of the angle that makes with the positive direction of the -axis approximated to the nearest second.

- A
- B
- C
- D