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ololo11 [35]
3 years ago
9

If θ is an acute angle and sin θ = 2 1 , then cos θ =

Mathematics
1 answer:
ss7ja [257]3 years ago
3 0
First of all i think theres a mistakein the question;
i think it is sin θ = \frac{1}{2}

and then sin 30° = \frac{1}{2}

thus θ= 30°\frac{ \sqrt{3} }{2}
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