Math, asked by jimmy26, 11 months ago

cos(a-b)=????
........
...
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Answers

Answered by MemonMahin07

3

cos(A-B)=cos(A+(-B))=cosAcos(-B)-sinAsin(-B)=cosAcosB-sinA(-sinB)

Answered by Anonymous

7

HEYA ❣️

cos(A-B)=cosAcosB+sinAsinB

✔️

surya089: hi

abhinavsingh88: hi

Anonymous: yes?

surya089: i am from Delhi

surya089: depali

abhinavsingh88: I am from lko

abhinavsingh88: in which class do you read??

Anonymous: no more comments ❌

abhinavsingh88: why??

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