mrrknsharma mrrknsharma

29-08-2021
Mathematics

contestada

If sin (A + B) = 1 and cos (A - B) = 1, find A, B

Respuesta :

mohamedruham78 mohamedruham78

29-08-2021

Step-by-step explanation:

sin (A + B) = 1 =sin 90

A+B=90 equation 1

cos (A - B) = 1=cos 0

A-B=0 equation 2

add 1 and 2

2A=90 A=45

2B=90 B=45

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