Advertisements
Advertisements
प्रश्न
Find the value of x, if sin x = sin 60° cos 30° + cos 60° sin 30°
Advertisements
उत्तर
sin x = sin 60° cos 30° + cos 60° sin 30°
sin x = `(sqrt3/2)(sqrt3/2) + (1/2)(1/2)`
sin x = `3/4 + 1/4 = 1 = sin 90^circ`
Hence, x = 90°
APPEARS IN
संबंधित प्रश्न
Write all the other trigonometric ratios of ∠A in terms of sec A.
if `sqrt3 tan theta = 3 sin theta` find the value of `sin^2 theta - cos^2 theta`
Find the value of x, if cos x = cos 60° cos 30° – sin 60° sin 30°
Evaluate:
3 cos 80° cosec 10° + 2 cos 59° cosec 31°
Write the acute angle θ satisfying \[\cos B = \frac{3}{5}\]
If x tan 45° cos 60° = sin 60° cot 60°, then x is equal to
If angles A, B, C to a ∆ABC from an increasing AP, then sin B =
In the case, given below, find the value of angle A, where 0° ≤ A ≤ 90°.
cos(90° - A) · sec 77° = 1
If tan θ = 1, then sin θ . cos θ = ?
`tan 47^circ/cot 43^circ` = 1
