2 years ago

If the sin 30 degrees is 1/2 then the cos =.

2 answers:

7 0

Try A) 60 degrees; 1/2. Your answer was incorrect because cos(60 degrees) is 1/2, cos(30 degrees) is square root 3 /2 not 1 or square root 2 /2

Likurg_2 [28]2 years ago

7 0

the answer is 4 becasue you just see how many pairs can each marble get

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