Whoever answers this gets 30pts

Mathematics

1 answer:

MakcuM [25]2 years ago

5 0

i did the first four

1.7/9x^3/7

2.−2 2/5

3.−10 1/3

4. 24

hope this helps

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zhenek [66]

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steposvetlana [31]

<span>exact value of sin 157.5 without using a calculator
sin(157.5)=sin(315/2)
Identity: sin(x/2)=±√[(1-cosx)/2]
select positive identity since 175 is in the 2nd quadrant where sin>0
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check using calculator:
sin157.5º≈0.382...
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2 years ago

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marusya05 [52]

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