CBSE Class 11-science Answered
cos(90+x)=sinx,,how
Asked by ghoshshawata62 | 04 Mar, 2024, 20:16: PM
cos(90-x)=sin(x)
sin x = AB/AC
cos (90-x) = AB/AC
Hence,
cos(90-x)=sin(x)
Now,
cos(90+x)= cos(180–90+x)
=cos[180–(90-x)]
=-cos(90-x)
=-sin x
Answered by Arun | 05 Mar, 2024, 09:59: AM
Concept Videos
CBSE 11-science - Maths
Asked by mihirkumarjha356 | 18 Jul, 2024, 21:51: PM
CBSE 11-science - Maths
Asked by ishanvi.pahil | 22 Jun, 2024, 22:31: PM
CBSE 11-science - Maths
Asked by manjushakothavade1979 | 20 May, 2024, 12:37: PM
CBSE 11-science - Maths
Asked by medanagaraju2022 | 03 May, 2024, 19:37: PM
CBSE 11-science - Maths
Asked by rajyothi64 | 05 Mar, 2024, 21:49: PM
CBSE 11-science - Maths
Asked by ghoshshawata62 | 04 Mar, 2024, 20:16: PM
CBSE 11-science - Maths
Asked by nayaktapaswini2007 | 29 Feb, 2024, 09:10: AM
CBSE 11-science - Maths
Asked by bimanmandal53361 | 15 Jan, 2024, 00:32: AM
CBSE 11-science - Maths
Asked by sreyas.katuri | 23 Sep, 2023, 07:12: AM