InterviewSolution
Saved Bookmarks
| 1. |
cosec^2x – 1 = ______________(a) cot^2x(b) -cot^2x(c) tan^2x(d) -tan^2xI had been asked this question in an online quiz.My doubt is from Trigonometric Functions in division Trigonometric Functions of Mathematics – Class 11 |
|
Answer» CORRECT ANSWER is (a) cot^2x To EXPLAIN: We KNOW, cosec^2x – cot^2x = 1 So, cosec^2x – 1 = cot^2x. |
|