Advertisements
Advertisements
प्रश्न
Solve for x : sin (x + 10°) = `(1)/(2)`
उत्तर
sin (x + 10°) = `(1)/(2)`
sin ( x + 10°) = sin 30°
x + 10° = 30°
x = 20°
APPEARS IN
संबंधित प्रश्न
If sin x + cos y = 1 and x = 30°, find the value of y
State for any acute angle θ whether tan θ increases or decreases as θ decreases.
Calculate the value of A, if cos 3A. (2 sin 2A - 1) = 0
Solve for 'θ': `sin θ/(3)` = 1
If θ = 30°, verify that: sin 3θ = 4sinθ . sin(60° - θ) sin(60° + θ)
Find the length of EC.
Find the value 'x', if:
In the given figure, a rocket is fired vertically upwards from its launching pad P. It first rises 20 km vertically upwards and then 20 km at 60° to the vertical. PQ represents the first stage of the journey and QR the second. S is a point vertically below R on the horizontal level as P, find:
a. the height of the rocket when it is at point R.
b. the horizontal distance of point S from P.
Evaluate the following: `(sin62°)/(cos28°)`
Evaluate the following: `(cos34° cos35°)/(sin57° sin56°)`
