CBSE Class 11-science Answered
Please help me with this question
Asked by | 19 Apr, 2010, 10:05: AM
Expert Answer
Using the following result,we can write,
tan(C+D) = (tanC + tanD)/(1 - tanC tanD)
tan2A = [tan(A+B) + tan(A-B)]/(1 - tantan(A+B) tan(A-B)) = (x+y)/(1 - xy)
Similarly,
tan2B = [tan(A+B) - tan(A-B)]/(1 + tan(A+B) tan(A-B)) = (x-y)/(1 + xy)
Regards,
Team,
TopperLearning.
Answered by | 19 Apr, 2010, 01:53: PM
Application Videos
-
Video contains the question based on quadratic equation where the relation ... -
Video contains the question based on how to find the sum of infinite terms ... -
Video contains the question based on finding equation of locus of a point -
Video contains the question based on finding equation of locus of a point -
Video contains the question based on translation of axes
Concept Videos
-
Fundamental trigonometric identities and problems based on them. Sign Conve... -
This video explains the concept of negative & positive angles, conversion o... -
Types of sets and describe two forms of set representation. -
This video covers the definition of subsets and supersets of a set and also... -
Venn diagrams. Represent the union and intersection of sets with the help o...
CBSE 11-science - Maths
Asked by sdmbotch1123 | 18 Jan, 2023, 11:02: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by sdmbotch1123 | 18 Jan, 2023, 11:01: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by hrai7387 | 16 Jan, 2023, 07:36: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by kushik.jnp2025 | 15 Jan, 2023, 12:00: AM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by gdeadshot85 | 12 Jan, 2023, 10:32: AM
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 ankitkanjilal409 | 30 Dec, 2022, 08:25: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by huzaifashangroo | 28 Dec, 2022, 06:57: PM
ANSWERED BY EXPERT