if sin x+cosy =1 x=30 degree and y is acute angle find the value of y
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Sin x + cos y =1 and we know that x =30°
Sin 30°+cosy=1 (Sin30°=1/2)
1/2+cosy=1
Cosy=1-1/2
Cosy=1/2
Since we also know that cos60°=1/2
Therefore y=60°
Sin 30°+cosy=1 (Sin30°=1/2)
1/2+cosy=1
Cosy=1-1/2
Cosy=1/2
Since we also know that cos60°=1/2
Therefore y=60°
srijansrivastav:
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