CBSE Class 11-science Answered
pls solve
Asked by | 21 Sep, 2009, 10:19: PM
Expert Answer
we assume that you want to prove 2tan10+tan40=tan50
consider tan 50= tan (10+40) = (tan 10+tan 40)/(1-tan 10tan 40)
so tan 50-tan 50tan10tan40 = tan 10+tan 40
tan 50-cot40tan10tan40 = tan 10+tan 40
so tan 50=tan 10+tan 40+tan10 =2tan10+tan40
Answered by | 24 Nov, 2009, 11:55: AM
Concept Videos
CBSE 11-science - Maths
Asked by divyanshtikkiwal6 | 23 Feb, 2024, 07:44: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by pranavsrinivas82 | 14 Jan, 2024, 07:45: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by pranavsrinivas82 | 10 Jan, 2024, 08:45: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by naiduuofficial | 06 Jan, 2023, 07:49: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by anjaneyagadgil04 | 05 Jan, 2023, 12:16: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by bangtan7hybe | 18 Sep, 2022, 06:36: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by kdimple765 | 24 Jun, 2022, 04:22: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by arjunsah797 | 03 Mar, 2022, 06:04: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by krishkhare04 | 03 Feb, 2022, 02:35: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by vinodbhaskar375 | 30 Sep, 2021, 07:47: PM
ANSWERED BY EXPERT