Advertisements
Advertisements
प्रश्न
`sqrt(3)` cos2A + `sqrt(3)` sin2A is equal to ______.
पर्याय
1
`1/sqrt(3)`
`sqrt(3)`
0
Advertisements
उत्तर
`sqrt(3)` cos2A + `sqrt(3)` sin2A is equal to `underline(bbsqrt(3))`.
Explanation:
`sqrt(3)` cos2A + `sqrt(3)` sin2A
`sqrt(3) ((cos^2A + sin^2A))/(cos^2A + sin^2A)` = 1
`sqrt(3) xx 1 = sqrt(3)`
APPEARS IN
संबंधित प्रश्न
In Given Figure, find tan P – cot R.
Given sec θ = `13/12`, calculate all other trigonometric ratios.
In the following, one of the six trigonometric ratios is given. Find the values of the other trigonometric ratios.
tan θ = 11
In the following, trigonometric ratios are given. Find the values of the other trigonometric ratios.
`cos theta = 7/25`
In the following, trigonometric ratios are given. Find the values of the other trigonometric ratios.
`cosec theta = sqrt10`
In the following, one of the six trigonometric ratios is given. Find the values of the other trigonometric ratios.
`cos theta = 12/2`
Find the value of x in the following :
cos 2x = cos 60° cos 30° + sin 60° sin 30°
A ladder rests against a vertical wall at an inclination α to the horizontal. Its foot is pulled away from the wall through a distance p so that its upper end slides a distance q down the wall and then the ladder makes an angle β to the horizontal. Show that `p/q = (cos β - cos α)/(sin α - sin β)`
If θ is an acute angle and sin θ = cos θ, find the value of tan2 θ + cot2 θ – 2.
If sin θ – cos θ = 0, then find the value of sin4 θ + cos4 θ.
