CBSE Class 12-science Answered
from inverse trignometric function
Asked by | 14 Sep, 2009, 11:20: AM
Expert Answer
sin(sin-1 1/5 + cos-1 x) = 1
Operating both sides by sin-1 we get (sin-1 1/5 + cos-1 x) =sin-1 1 =/2
Since sin-1 x + cos-1 x = /2
so x =1/5
(ii) tan 1/2 [ sin-12x/1+x2 + cos-1 1-y2/1+y2 ]
tan 1/2[2 tan-1 x +2tan-1 y]= tan[tan-1 x+tan-1 y] = tan[tan-1 (x+y)/(1-xy)]=x+y/(1-xy)
Similarly try other part.Also in future pls raise only one question in a query
Answered by | 21 Oct, 2009, 11:17: AM
Application Videos
Concept Videos
CBSE 12-science - Maths
Asked by shirishakuruva477 | 28 Mar, 2024, 09:52: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by sheensvlog | 27 Mar, 2024, 10:15: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by jprathamesh023 | 23 Mar, 2024, 04:01: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by antra1799 | 18 Mar, 2024, 07:49: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by janusingh736 | 13 Mar, 2024, 04:19: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by nainaadityathakur | 12 Mar, 2024, 01:22: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by suman0987tewary | 27 Feb, 2024, 03:40: PM
ANSWERED BY EXPERT