Advertisements
Advertisements
प्रश्न
Find the value of 'A', if 2 cos A = 1
बेरीज
Advertisements
उत्तर
2 cos A = 1
⇒ cos A = `(1)/(2)`
⇒ cos A = cos60°
⇒ A = 60°.
shaalaa.com
Trigonometric Equation Problem and Solution
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If sin 3A = 1 and 0 < A < 90°, find sin A
Find the magnitude of angle A, if 2 sin A cos A - cos A - 2 sin A + 1 = 0
Find the magnitude of angle A, if 2 tan 3A cos 3A - tan 3A + 1 = 2 cos 3A
Solve for x : sin (x + 10°) = `(1)/(2)`
Solve for x : tan2 (x - 5°) = 3
Solve for x : sin2 x + sin2 30° = 1
Solve for x : cos2 30° + cos2 x = 1
Find the value of 'A', if 2 sin 2A = 1
If `sqrt(2) = 1.414 and sqrt(3) = 1.732`, find the value of the following correct to two decimal places tan60°
Prove the following: `(tan(90° - θ)cotθ)/("cosec"^2 θ)` = cos2θ
