Advertisements
Advertisements
प्रश्न
Find all values of x such that – 5π ≤ x ≤ 5π and cos x = 1
बेरीज
उत्तर
cos x = – 1
cos x = cos π
x = (2n + 1)π
n = 0, ±1, ±2, – 3
shaalaa.com
The Cosine Function and Inverse Cosine Function
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find all values of x such that – 6π ≤ x ≤ 6π and cos x = 0
State the reason for `cos^-1 [cos(- pi/6)] ≠ - pi/6`
Is cos–1(– x) = π – cos–1 true? justify your answer
Find the principal value of `cos^-1 (1/2)`
Find the value of `2cos^-1 (1/2) + sin^-1 (1/2)`
Find the value of `cos^-1(1/2) + sin^-1( - 1)`
Find the value of `cos-1 [cos pi/7 cos pi/17 - sin pi/7 sin pi/17]`
Find the domain of `g(x) = sin^-1x + cos^-1x`
For what value of x, the inequality `pi/2 < cos^-1 (3x - 1) < pi` holds?
Find the value of `cos[cos^-1 (4/5) + sin^-1(4/5)]`
Find the value of `cos^-1(cos((4pi)/3)) + cos^-1 (cos((5pi)/4))`
