CBSE Class 11-science Answered
answer me
![question image](http://images.topperlearning.com/topper/new-ate/top_mob1713370267163599796051ccc03a-5c26-4d37-85f9-7c17619808c5.jpg)
Asked by sheikhsaadat24 | 17 Apr, 2024, 21:41: PM
Question :-
If θ1 + θ2 = 90o and θ1= 20° then wahta is the value of sin2 θ1 + cos2 θ2 ?
---------------------------------------
sin2 θ1 + cos2 θ2 = sin2 θ1 + cos2 (90 - θ1 ) = sin2 θ1 + sin2 θ1 = 2 sin2 θ1
sin2 θ1 + cos2 θ2 = 2 sin220 = 0.2340
-------------------------------------------
Answered by Thiyagarajan K | 18 Apr, 2024, 10:11: AM
Concept Videos
CBSE 11-science - Physics
Asked by barunmandal12345jmt | 11 Jul, 2024, 16:23: PM
CBSE 11-science - Physics
Asked by chandinichauhai | 10 Jul, 2024, 23:32: PM
CBSE 11-science - Physics
Asked by sulthanxx | 08 Jul, 2024, 19:29: PM
CBSE 11-science - Physics
Asked by bhuvana.s3001 | 21 Jun, 2024, 23:21: PM
CBSE 11-science - Physics
Asked by contact.asmita03 | 15 Jun, 2024, 11:51: AM
CBSE 11-science - Physics
Asked by parthjain2448 | 12 Jun, 2024, 15:53: PM
CBSE 11-science - Physics
Asked by kaivalyaam | 12 Jun, 2024, 03:24: AM
CBSE 11-science - Physics
Asked by tkanmani022 | 11 Jun, 2024, 20:50: PM
CBSE 11-science - Physics
Asked by duraisamysteephen | 08 Jun, 2024, 12:32: PM