CBSE Class 10 Answered
sin theta + cos theta = 1
TPT:- cos theta - sin theta = + - 1
Asked by bkstl123 | 22 Mar, 2012, 03:06: PM
Expert Answer
If , sinA + cosA =1
Squaring both sides we get , sin2A + cos2A + 2cosAsinA = 1 , 1 + 2cosAsinA = 1 , 2cosAsinA = 0
So , (CosA - sinA)2 = 1 - 2cosAsinA = 1 - 0 = 1
thus , CosA - SinA = +-1
Answered by | 22 Mar, 2012, 03:25: 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 pathaksuman622 | 21 Apr, 2024, 11:56: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by mraniruddha03 | 02 Apr, 2024, 06:44: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by jayashreelatha04 | 17 Mar, 2024, 05:38: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by gauravgupta.20008 | 03 Feb, 2024, 05:36: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by sathwicksathwick06 | 01 Feb, 2024, 07:30: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by tanujmaan58 | 18 Jan, 2024, 08:47: PM
ANSWERED BY EXPERT