Advertisements
Advertisements
प्रश्न
Solve for x : cos `(x/(2)+10°) = (sqrt3)/(2)`
Advertisements
उत्तर
cos `( x/2 + 10°) = (sqrt3)/(2)`
cos `( x/2 + 10°)` = cos 30°
`(x)/(2)` + 10° = 30°
x = 40°
संबंधित प्रश्न
Calculate the value of A, if (tan A - 1) (cosec 3A - 1) = 0
Solve for x : cos `(x)/(3) –1` = 0
If θ = 30°, verify that: 1 - sin 2θ = (sinθ - cosθ)2
In a rectangle ABCD, AB = 20cm, ∠BAC = 60°, calculate side BC and diagonals AC and BD.
Find the value of 'x' in each of the following:
Find the value of 'x' in each of the following:
In right-angled triangle ABC; ∠B = 90°. Find the magnitude of angle A, if:
a. AB is `sqrt(3)` times of BC.
B. BC is `sqrt(3)` times of BC.
A ladder is placed against a vertical tower. If the ladder makes an angle of 30° with the ground and reaches upto a height of 18 m of the tower; find length of the ladder.
Evaluate the following: `(sin36°)/(cos54°) + (sec31°)/("cosec"59°)`
Evaluate the following: `(3sin37°)/(cos53°) - (5"cosec"39°)/(sec51°) + (4tan23° tan37° tan67° tan53°)/(cos17° cos67° "cosec"73° "cosec"23°)`
