If sin x + cos y = 1 and x = 30°, find the value of y

बेरीज

Given that x = 30°
sin x + cos y = 1

sin 30° + cos y = 1

cos y = 1 – sin 30°

cos y = 1 –`(1)/(2)`

cos y = `(1)/(2)`

cos y = cos 60°

y = 60°

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