Cos 0 = 12/15. find sin 0.

asked Jan 10, 2022 127k views

1 vote

by Cgf

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1 vote

Answer:9/15

Explanation:

Shashantrika answered Jan 12, 2022

4.5k points

6 votes

Answer:

$sin \theta = (3)/(5)$

Explanation:

$cos \theta = (12)/(15)\\\\cos^2 \theta = 1 - sin^2 \theta\\\\sin^2\theta = 1 - cos^2 \theta\\\\$

$= 1 - ((12)/(15))^2\\\\= 1 - (144)/(225)\\\\= (225 - 144)/(225)\\\\=(81)/(225)$

$sin \theta = \sqrt{(81)/(225)} = (9)/(15) = (3)/(5)$

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