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
Given sec θ = `13/12`, calculate all other trigonometric ratios.
State whether the following are true or false. Justify your answer.
cos A is the abbreviation used for the cosecant of angle A.
Evaluate the following
tan2 30° + tan2 60° + tan2 45°
Evaluate the Following
`(sin 30^@ - sin 90^2 + 2 cos 0^@)/(tan 30^@ tan 60^@)`
Find the value of x in the following:
`sqrt3 tan 2x = cos 60^@ + sin45^@ cos 45^@`
If cos (81 + θ)° = sin`("k"/3 - theta)^circ` where θ is an acute angle, then the value of k is ______.
Given that sinα = `1/2` and cosβ = `1/2`, then the value of (α + β) is ______.
The maximum value of the expression 5cosα + 12sinα – 8 is equal to ______.
If cosec θ = `("p" + "q")/("p" - "q")` (p ≠ q ≠ 0), then `|cot(π/4 + θ/2)|` is equal to ______.
If θ is an acute angle of a right angled triangle, then which of the following equation is not true?
