CBSE Class 11-science Answered
Trigonometry
Asked by | 01 Oct, 2008, 08:44: AM
Expert Answer
sinx + sin2x + sin3x = 0
⇒
sinx + sin3x + sin2x = 0
2 sin(x+3x)/2 cos (x-3x)/2 +sin2x= 0
2sin2xcos(-x) + sin 2x =0
sin2x(2cosx +1) = 0
sin2x = 0 or cos x = -1/2 = cos ( 
- /3)
2x = n or x = 2n
( - /3)
x = n /2or x = 2n( - /3)
Answered by | 01 Oct, 2008, 08:54: AM
Concept Videos
-
Types of sets and its representation
Types of sets and describe two forms of set representation. -
Subsets and Supersets
This video covers the definition of subsets and supersets of a set and also... -
Representing the union and intersection of sets
Venn diagrams. Represent the union and intersection of sets with the help o... -
Algebra of Sets
This video explains the concept of the difference of two given sets and rep... -
Counting Theorems ...
This video explains the application of set theory and Venn diagram to solve...
CBSE 11-science - Maths
Asked by parvanipatil09 | 29 Mar, 2024, 10:12: AM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by divyanshtikkiwal6 | 23 Feb, 2024, 07:44: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by pranavsrinivas82 | 14 Jan, 2024, 07:45: AM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by pranavsrinivas82 | 10 Jan, 2024, 08:45: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by naiduuofficial | 06 Jan, 2023, 07:49: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by anjaneyagadgil04 | 05 Jan, 2023, 12:16: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by bangtan7hybe | 18 Sep, 2022, 06:36: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by kdimple765 | 24 Jun, 2022, 04:22: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by arjunsah797 | 03 Mar, 2022, 06:04: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by krishkhare04 | 03 Feb, 2022, 02:35: PM
ANSWERED BY EXPERT
