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mina [271]
1 year ago
14

If sin (90° - α) = BC /CA,write down the ratio of sina.​

Mathematics
1 answer:
Papessa [141]1 year ago
7 0

Answer:

Step-by-step explanation:

sin(90-a)=cos

cos = angle adjacent

theta=BC/CA

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How do you know if two lines segments are perpendicular
Greeley [361]

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when they are intersecting at a 90 degree angle.

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60 students on field trip 20 students were 8th graders. What ratio shows relationship between eighth graders and everyone who we
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Answer:

Percentage=33.33%

Step-by-step explanation:

Total number of students=Number of 8th grader+others who went on trip

where;

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replacing;

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Ratio of number of eighth graders to the number of everyone who went on the trip is;

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3 0
3 years ago
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Answer:

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factor -

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solution-

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5 0
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Read 2 more answers
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