CBSE Class 10 Answered
tan1 tan2 tan3 ............tan89=1
what is the probability that a leap year selected at random will have 53 sundays
Asked by sanjaysahu675 | 16 Jan, 2019, 10:41: PM
Expert Answer
Only one question is answered per posting
tan(90-θ) = cot(θ)
hence tan(1)× tan(89) = tan(90-89) × tan(89) = cot(89)× tan(89) =1
similarly, tan(2)×tan(88) =1
tan(3)×tan(87) = 1
tan(4)×tan(86) = 1
.............................
.............................
tan(44)×tan(46) =1
tan(45) =1
if we combine all the equations, tan(1) tan(2) tan(3) ......................tan(88) tan(89) =1
Answered by Thiyagarajan K | 16 Jan, 2019, 11:09: PM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by raopaidi | 25 Apr, 2024, 04:06: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by aditikaldate7 | 21 Apr, 2024, 03:16: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by pathaksuman622 | 21 Apr, 2024, 11:56: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by yalagondanikhil | 16 Apr, 2024, 12:25: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by rrajansinghakb199 | 08 Apr, 2024, 05:12: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by nagalaxmidurgarao937 | 08 Apr, 2024, 01:42: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by mraniruddha03 | 02 Apr, 2024, 06:44: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by muttenenimalleswarrao | 29 Mar, 2024, 08:32: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by pathakvaishnavi9139 | 23 Mar, 2024, 10:45: AM
ANSWERED BY EXPERT