Advertisements
Advertisements
प्रश्न
Calculate the value of A, if (cosec 2A - 2) (cot 3A - 1) = 0
Advertisements
उत्तर
( cosec 2A – 2) (cot 3A – 1) = 0
cosec 2A – 2 = 0 and cot 3A – 1 = 0
cosec 2A = 2 and cot 3A = 1
cosec 2A = cosec 30° and cot 3A = cot 45°
2A = 30° and 3A = 45°
A = 15° and A = 15°
संबंधित प्रश्न
If 4 cos2 x° - 1 = 0 and 0 ∠ x° ∠ 90°,
find:(i) x°
(ii) sin2 x° + cos2 x°
(iii) `(1)/(cos^2xx°) – (tan^2 xx°)`
Solve for x : 2 cos 3x - 1 = 0
Solve for x : cos2 30° + cos2 x = 1
If `sqrt(3)`sec 2θ = 2 and θ< 90°, find the value of θ
If `sqrt(3)` sec 2θ = 2 and θ< 90°, find the value of
cos 3θ
Find the value of 'x' in each of the following:
Find lengths of diagonals AC and BD. Given AB = 24 cm and ∠BAD = 60°.
In the given figure, ∠B = 60°, ∠C = 30°, AB = 8 cm and BC = 24 cm. Find:
a. BE
b. AC
Find the value of 'y' if `sqrt(3)` = 1.723.
Given your answer correct to 2 decimal places.
Prove the following: sin58° sec32° + cos58° cosec32° = 2
