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
If sin A = `3/4`, calculate cos A and tan A.
State whether the following are true or false. Justify your answer.
The value of tan A is always less than 1.
State whether the following are true or false. Justify your answer.
sec A = `12/5` for some value of angle A.
If `cos θ = 12/13`, show that `sin θ (1 - tan θ) = 35/156`.
if `cos theta = 3/5`, find the value of `(sin theta - 1/(tan theta))/(2 tan theta)`
Evaluate the Following
`4/(cot^2 30^@) + 1/(sin^2 60^@) - cos^2 45^@`
sin (45° + θ) – cos (45° – θ) is equal to ______.
If cos (81 + θ)° = sin`("k"/3 - theta)^circ` where θ is an acute angle, then the value of k is ______.
If x sin (90° – θ) cot (90° – θ) = cos (90° – θ), then x is equal to ______.
Find an acute angle θ when `(cos θ - sin θ)/(cos θ + sin θ) = (1 - sqrt(3))/(1 + sqrt(3))`
