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 Given Figure, find tan P – cot R.

If cot θ = `7/8`, evaluate cot2 θ.
State whether the following are true or false. Justify your answer.
cot A is the product of cot and A.
In the following, trigonometric ratios are given. Find the values of the other trigonometric ratios.
`sin theta = 11/5`
In the following, trigonometric ratios are given. Find the values of the other trigonometric ratios.
`cos theta = 7/25`
If 3 cot θ = 2, find the value of `(4sin theta - 3 cos theta)/(2 sin theta + 6cos theta)`.
If sin θ = `12/13`, Find `(sin^2 θ - cos^2 θ)/(2sin θ cos θ) × 1/(tan^2 θ)`.
if `cos theta = 3/5`, find the value of `(sin theta - 1/(tan theta))/(2 tan theta)`
if `sin theta = 3/4` prove that `sqrt(cosec^2 theta - cot)/(sec^2 theta - 1) = sqrt7/3`
Evaluate the Following
`4/(cot^2 30^@) + 1/(sin^2 60^@) - cos^2 45^@`
Find the value of x in the following :
`sqrt3 tan 2x = cos 60^@ + sin45^@ cos 45^@`
Find the value of x in each of the following :
cos x = cos 60º cos 30º + sin 60º sin 30º
If cos (40° + A) = sin 30°, then value of A is ______.
`(1 + tan^2 "A")/(1 + cot^2 "A")` is equal to ______.
Let f(x) = sinx.cos3x and g(x) = cosx.sin3x, then the value of `7((f(π/7) + g(π/7))/(g((5π)/14) + f((5π)/14)))` is ______.
Let tan9° = `(1 - sqrt((sqrt(5)k)/m))k` where k = `sqrt(5) + 1` then m is equal to ______.
If b = `(3 + cot π/8 + cot (11π)/24 - cot (5π)/24)`, then the value of `|bsqrt(2)|` is ______.
