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3 votes
If sin 25° =cos(y+50°),find y​

User Waltzy
by
7.7k points

1 Answer

1 vote

Answer:

15 deg

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

User Sebpiq
by
8.0k points

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