Advertisements
Advertisements
प्रश्न
Solve for x : 3 tan2 (2x - 20°) = 1
Advertisements
उत्तर
3 tan2 ( 2x – 20°) = 1
tan ( 2x – 20°) = `(1)/(sqrt3)`
tan ( 2x – 20°) = tan 30°
2x –20° = 30°
2x = 50°
x = 25°
APPEARS IN
संबंधित प्रश्न
Solve the following equation for A, if tan 3 A = 1
Solve for x : cos `(x)/(3) –1` = 0
Solve for 'θ': `sin θ/(3)` = 1
If θ = 30°, verify that: sin2θ = `(2tanθ)/(1 ++ tan^2θ)`
If `sqrt(3)` sec 2θ = 2 and θ< 90°, find the value of
cos 3θ
Find the value 'x', if:
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: sin(35° + θ) - cos(55° - θ) - tan(42° + θ) + cot(48° - θ)
Evaluate the following: `(3sin37°)/(cos53°) - (5"cosec"39°)/(sec51°) + (4tan23° tan37° tan67° tan53°)/(cos17° cos67° "cosec"73° "cosec"23°)`
If cosθ = sin60° and θ is an acute angle find the value of 1- 2 sin2θ
