Advertisements
Advertisements
Question
Calculate the value of A, if (tan A - 1) (cosec 3A - 1) = 0
Sum
Advertisements
Solution
( tan A – 1) ( cosec 3A – 1) = 0
tan A – 1 = 0 and cosec 3A – 1 = 0
tan A = 1 and cosec 3A = 1
tan A = tan45° and cosec 3A = cosec90°
A = 45° and A = 30°
shaalaa.com
Trigonometric Equation Problem and Solution
Is there an error in this question or solution?
RELATED QUESTIONS
Solve the following equation for A, if sin 3 A = `sqrt3 /2`
From the given figure,
find:
(i) cos x°
(ii) x°
(iii) `(1)/(tan^2 xx°) – (1)/(sin^2xx°)`
(iv) Use tan xo, to find the value of y.
Solve the following equation for A, if sec 2A = 2
Solve the following equation for A, if 2 sin 3 A = 1
Find the magnitude of angle A, if 2 cos2 A - 3 cos A + 1 = 0
Solve for x : cos (2x - 30°) = 0
Find the value of 'A', if 2 cos A = 1
Find the value of 'A', if 2 sin 2A = 1
Find the value 'x', if:
Find x and y, in each of the following figure:
