Advertisements
Advertisements
Question
Calculate the value of A, if (sec 2A - 1) (cosec 3A - 1) = 0
Advertisements
Solution
( sec 2A – 1) ( cosec 3A – 1) = 0
sec 2A – 1 = 0 and cosec 3A – 1 = 0
sec 2A = 1 and cosec 3A = 1
sec 2A = sec0° and cosec 3A = cosec90°
A = 0° and A = 30°
APPEARS IN
RELATED QUESTIONS
Solve the following equation for A, if sin 3 A = `sqrt3 /2`
Find the magnitude of angle A, if 2 sin A cos A - cos A - 2 sin A + 1 = 0
Solve for x : cos `(x)/(3) –1` = 0
If tanθ= cotθ and 0°≤ θ ≤ 90°, find the value of 'θ'.
If θ = 30°, verify that: tan2θ = `(2tanθ)/(1 - tan^2θ)`
If θ = 30°, verify that: sin 3θ = 4sinθ . sin(60° - θ) sin(60° + θ)
If θ = 15°, find the value of: cos3θ - sin6θ + 3sin(5θ + 15°) - 2 tan23θ
Evaluate the following: cot27° - tan63°
Evaluate the following: sin22° cos44° - sin46° cos68°
Evaluate the following: `(2sin28°)/(cos62°) + (3cot49°)/(tan41°)`
