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?
Chapter 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - EXERCISE 21 (E) [Page 328]
