Advertisements
Advertisements
प्रश्न
Find will be the value of cos 90° + sin 90°.
Advertisements
उत्तर
cos 90° = 0 and sin 90° = 1
∴ cos 90° + sin 90° = 0 + 1 = 1
Hence, the value of cos 90° + sin 90° is 1.
APPEARS IN
संबंधित प्रश्न
In ΔABC right angled at B, AB = 24 cm, BC = 7 m. Determine:
sin A, cos A
In ΔABC, right angled at B. If tan A = `1/sqrt3` , find the value of
- sin A cos C + cos A sin C
- cos A cos C − sin A sin C
If 4 tan θ = 3, evaluate `((4sin theta - cos theta + 1)/(4sin theta + cos theta - 1))`
In the following, trigonometric ratios is given. Find the value of the other trigonometric ratios.
`sin A = 2/3`
In the following, one of the six trigonometric ratios is given. Find the values of the other trigonometric ratios.
`cos theta = 12/2`
If `tan theta = 24/7`, find that sin θ + cos θ.
If `sin θ = 3/4` prove that `sqrt(("cosec"^2θ - cot^2θ)/(sec^2θ - 1)) = sqrt(7)/3`.
If Cosec A = 2 find `1/(tan A) + (sin A)/(1 + cos A)`
Evaluate the following:
cos 60° cos 45° – sin 60° sin 45°
Evaluate the Following
`4/(cot^2 30^@) + 1/(sin^2 60^@) - cos^2 45^@`
Find the value of x in the following :
cos 2x = cos 60° cos 30° + sin 60° sin 30°
If cos (81 + θ)° = sin`("k"/3 - theta)^circ` where θ is an acute angle, then the value of k is ______.
3 sin² 20° – 2 tan² 45° + 3 sin² 70° is equal to ______.
If sin A = `1/2`, then the value of cot A is ______.
Given that sinα = `1/2` and cosβ = `1/2`, then the value of (α + β) is ______.
Find the value of sin 0° + cos 0° + tan 0° + sec 0°.
Find the value of sin 45° + cos 45° + tan 45°.
What will be the value of sin 45° + `1/sqrt(2)`?
`sqrt(3)` cos2A + `sqrt(3)` sin2A is equal to ______.
If sinθ = `1/sqrt(2)` and `π/2 < θ < π`. Then the value of `(sinθ + cosθ)/tanθ` is ______.
