CBSE Class 10 Answered
Trignometry
Asked by aishwarya1 | 22 Dec, 2009, 07:06: PM
Expert Answer
(tanθ + sinθ)/(tanθ - sinθ) = [(sinθ + cosθsinθ)/cosθ]/[(sinθ - cosθsinθ)/cosθ]
= [sinθ(1 + cosθ)]/[sinθ(1 - cosθ)]
= (1 + cosθ)/(1 - cosθ)
= (1 + 1/secθ)/(1 - 1/secθ)
= (secθ + 1)/(secθ - 1)
Multiply and divide by (secθ - 1)
= (secθ + 1)(secθ - 1)/(secθ - 1)2
= (sec2θ - 1)/(secθ - 1)2
= tan2θ/(secθ - 1)2 ...........using the identity 1 + tan2θ = sec2θ
Regards,
Team,
TopperLearning.
Answered by | 22 Dec, 2009, 09:16: PM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by swetalinasamantaray022 | 21 Mar, 2023, 04:15: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by shanbhog.06 | 14 Apr, 2022, 11:26: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by badakhsharda | 14 Apr, 2022, 08:57: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by naancysingh | 09 Apr, 2022, 07:07: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by vy499292 | 23 Jan, 2022, 08:04: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by godboletanaya | 24 Dec, 2021, 11:08: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by nikunjgupta102021 | 12 Jul, 2021, 09:01: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by urzashu7818 | 15 Jan, 2021, 12:52: PM
ANSWERED BY EXPERT