CBSE Class 10 Answered
plzz solve this....as soon as possible..mam/sir
![question image](https://images.topperlearning.com/topper/new-ate/topr_814048513938811300PM.jpeg)
Asked by ABHILASHA | 05 Mar, 2019, 23:16: PM
![c osA plus sinA equals √ 2 cos left parenthesis 90 minus straight A right parenthesis
cosA plus sinA equals √ 2 sinA
cosA equals √ 2 sinA minus sinA
cosA equals sinA left parenthesis √ 2 minus 1 right parenthesis
rationalizing
cosA equals sinA open parentheses fraction numerator √ 2 minus 1 over denominator √ 2 plus 1 end fraction close parentheses left parenthesis √ 2 plus 1 right parenthesis
cosA equals fraction numerator sinA over denominator √ 2 plus 1 end fraction
√ 2 cosA plus cosA equals sinA
cosA minus sinA equals negative √ 2 cosA
sinA minus cosA equals √ 2 cosA](https://images.topperlearning.com/topper/tinymce/cache/0393c250c2ec9b804eeaf6acf093be4d.png)
Answered by Arun | 06 Mar, 2019, 11:11: AM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by raopaidi | 25 Apr, 2024, 16:06: PM
CBSE 10 - Maths
Asked by pathaksuman622 | 21 Apr, 2024, 11:56: AM
CBSE 10 - Maths
Asked by jayashreelatha04 | 17 Mar, 2024, 17:38: PM
CBSE 10 - Maths
Asked by gauravgupta.20008 | 03 Feb, 2024, 17:36: PM
CBSE 10 - Maths
Asked by sathwicksathwick06 | 01 Feb, 2024, 19:30: PM
CBSE 10 - Maths
Asked by tanujmaan58 | 18 Jan, 2024, 20:47: PM
CBSE 10 - Maths
Asked by balu162 | 15 Jan, 2024, 20:53: PM
CBSE 10 - Maths
Asked by yadavjasvir261 | 29 Nov, 2023, 06:19: AM