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Natasha2012 [34]
4 years ago
10

4) If cos25° = 0.9063, then sin65° =_____0.906________. Explain the reasoning used to answer these two questions

Mathematics
1 answer:
Hunter-Best [27]4 years ago
4 0

Answer:

View the explanation

Step-by-step explanation:

The sine of an angle is equal to the cosine of that angle minus 90 degrees, and vice versa. Since 65=90-25, the cosine of 25 is equal to the sin of 65. If this is unclear please PM me or comment, and I can help more!

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What is 100.2 percent as a fraction and decimal
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Which point would be reflected across the y-axis to (-3,-9)
OlgaM077 [116]

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4 0
3 years ago
Mrs lane took a survey of the types of pants her students were wearing. She collected the data of the types of pants her student
kirill [66]
It is always important to go through the given problem first to get a concept of the requiremement. Then all the information's available from the question has to be noted down in such a manner that there would be no need to look at the question while solving.
Total number of students wearing jeans = 10
Total number of students wearing shorts = 9
Total number of students wearing capris = 2
Then the total number of students surveyed by Mrs Lane = (10 + 9 + 2)
                                                                                            = 21
Now percentage of students wearing shorts = (9/21) * 100
                                                                       = (3/7) * 100
                                                                       = 300/7
                                                                       = 42.85 percent
So a total percentage of 42.85% of the students were wearing shorts.
5 0
3 years ago
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