Home
Class 12
MATHS
If a line makes angles alpha , beta ,ga...

If a line makes angles ` alpha , beta ,gamma ` with coordinate axes , then
`sin ^2 alpha +sin^2 beta + sin^2 gamma ` ………

A

1

B

-1

C

2

D

-2

Text Solution

Verified by Experts

2
Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER FOR PRACTICE

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise SECTION-B (Attempt any Eight of the following )|12 Videos

  • MODEL QUESTION PAPER FOR PRACTICE

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise SECTION-C (Attempt any Eight of the following )|11 Videos

  • MATRICES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|12 Videos

  • PAIR OF STRAIGHT LINES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|10 Videos

Similar Questions

Explore conceptually related problems

If a line makes angles alpha, beta, gamma with the coordinate axes, prove that sin^2alpha+sin^2beta+sin^2gamma=2

If a line makes angles alpha,beta and gamma with the coordinate axes,then prove that cos2 alpha+cos2 beta+cos2 gamma=-1

If a line makes angle alpha, beta and gamma with the axes respectively then sin^(2)alpha+sin^(2)beta+sin^(2)gamma=

If a line makes an angle alpha,beta,gamma with positive axes,then the range of sin alpha sin beta+sin beta sin gamma+sin gamma sin alpha is (A)(-(1)/(2),1) (B) ((1)/(2),2)(C)(-1,2)(D)(-1,2]

If a line makes angles alpha, beta, gamma with the coordinate axes, prove that cos2alpha + cos 2beta + cos2gamma + 1 = 0 .

If a line makes angle alpha, beta and gamma with the coordinate axes respectively, then cos2alpha+cos 2 beta+cos 2gamma=

If a line in the space makes angle alpha,beta and gamma with the coordinate axes, then cos2alpha+cos2beta+cos2gamma+sin^2alpha+sin^2beta+sin^2gamma equals