Home
Class 12
MATHS
If alpha,beta,gamma are the direction an...

If `alpha,beta,gamma` are the direction angles of a vector,
then which the following can be `alpha+beta`?
80°
60°
120°
can’t be determined

A

80°

B

60°

C

120°

D

can’t be determined

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    MAXIMUM PUBLICATION|Exercise EXAMPLE|119 Videos

  • PROBABILITY

    MAXIMUM PUBLICATION|Exercise EXAMPLE|144 Videos

Similar Questions

Explore conceptually related problems

If alpha, beta, gamma are the directional angles that a line makes with x-axis, y-axis and z-axis respectively, then sin ^(2) a + sin ^(2) beta + sin ^(2) gamma =

Classify the following into alpha, beta and gama Positively charged

Classify the following into alpha, beta and gama Negatively charged

Classify the following into alpha, beta and gama It is an electromagnetic wave

If alpha, beta, gamma are the roots of the equation x^(3)+4x+1=0 , then find the value of (alpha+beta)^(-1) +(beta +gamma)^(-1) + (gamma+ alpha)^(-1)

Suppose alpha, beta, gamma are the angles made a line with the three axes respectively. Fill in the blank by choosing the correct answer from the barcket cos^2alpha+cos^2beta+cos^2gamma = ….. (2,0,1,3)

MAXIMUM PUBLICATION-MODEL QUESTION-EXAMPLE
  1. Check the continuity of the function f(x)={(x,+,2,if,x,<,0),(-x,+,2,...

    Text Solution

    |

  2. Consider the arrow diagram of the functions f and g. Write the fu...

    Text Solution

    |

  3. If alpha,beta,gamma are the direction angles of a vector, then which...

    Text Solution

    |

  4. Find the direction cosines of the line passing through the points (2...

    Text Solution

    |

  5. If tan^-1x=pi/10,then the value of cot^-1x is

    Text Solution

    |

  6. Find the value of sin(2tan^-1frac(2)(3))+cos(tan^-1sqrt3)

    Text Solution

    |

  7. Let A={-1,0,1} Give reason why the operation defined by aastb=a/b ...

    Text Solution

    |

  8. Let A={-1,0,1} Write a binary operation ast on A.

    Text Solution

    |

  9. Let A={-1,0,1} How many binary operations are possible on A?

    Text Solution

    |

  10. Find the equation of a line L passing through the points (-1,0,2) and ...

    Text Solution

    |

  11. Find dy/dx of the following: y=sec(tanx)

    Text Solution

    |

  12. Find dy/dx of y^x=x^y

    Text Solution

    |

  13. Find inttan^-1xdx

    Text Solution

    |

  14. Find the area bounded by the curve y=tan^-1x with X-axis from x=0 an...

    Text Solution

    |

  15. Consider the DE(x^2+y^2)dx=2xydy Solve the DE completely

    Text Solution

    |

  16. Consider a plane which is rquidistant from the points (1,2,1) and (3...

    Text Solution

    |

  17. Consider a plane which is equidistant from the points (1,2,1) and (3...

    Text Solution

    |

  18. Let veca=2hati+hatj-3hatk and vecb=4hati+hatj+hatk be two vectors. Fi...

    Text Solution

    |

  19. Find the following integrals. int0^(pi/2)frac(sin^5x)(sin^5x+cos^5x)...

    Text Solution

    |

  20. Hence evaluate the area bounded by the curve y=xsinx between x=-pi a...

    Text Solution

    |