03-07-2020
Mathematics

contestada

If sin 25° =cos(y+50°),find y

Respuesta :

mathstudent55 mathstudent55

03-07-2020

Answer:

15 deg

Step-by-step explanation:

Sine and cosine are co-functions, so

sin x = cos(90 - x)

sin 25 = cos(90 - 25)

sin 25 = cos 65

y + 50 = 65

y = 15

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