Advertisements
Advertisements
प्रश्न
If sin A = `1/2` then 4 cos3 A – 3 cos A is:
पर्याय
1
0
`sqrt3/2`
`1/sqrt2`
MCQ
उत्तर
0
shaalaa.com
Trigonometric Ratios
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Convert the following degree measure into radian measure.
60°
Find the degree measure corresponding to the following radian measure.
`(9pi)/5`
Determine the quadrant in which the following degree lie.
-140°
Determine the quadrant in which the following degree lie.
1195°
Prove that:
tan(-225°) cot(-405°) – tan(-765°) cot(675°) = 0.
Prove that: cos 510° cos 330° + sin 390° cos 120° = -1.
The radian measure of 37°30′ is:
If α and β be between 0 and `pi/2` and if cos(α + β) = `12/13` and sin (α – β) = `3/5` then sin 2α is:
`sin (cos^-1 3/5)` is
`((cos x)/(cosec x)) - sqrt(1 - sin^2x) sqrt(1 - cos^2 x)` is: