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.
State whether the following are true or false. Justify your answer.
sin θ = `4/3`, for some angle θ.
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.
`sin theta = sqrt3/2`
In the following, trigonometric ratios are given. Find the values of the other trigonometric ratios.
`cosec theta = sqrt10`
if `cos theta = 3/5`, find the value of `(sin theta - 1/(tan theta))/(2 tan theta)`
Evaluate the Following:
`tan 45^@/(cosec 30^@) + sec 60^@/cot 45^@ - (5 sin 90^@)/(2 cos 0^@)`
Find the value of x in the following :
`2 sin x/2 = 1`
If sin 2A = `1/2` tan² 45° where A is an acute angle, then the value of A is ______.
If θ is an acute angle and sin θ = cos θ, find the value of tan2 θ + cot2 θ – 2.
