2 years ago

MODELING REAL LIFE The formula K = C + 273.15 converts temperatures from Celsius C to Kelvin K.

Mathematics

1 answer:

Bingel [31]2 years ago

8 0

Answer:

a. 473.15

b. C=K-273.15

C. 26.85

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Without using trignometery tables find value of , cos70/sin20+cos57.cosec33 - 2cos60

Helen [10]

Here is some thoughts on this:

cos 57 = sin (90-57) = sin 33

so cos 57 . cosec 33 = cos 57 / sin 33 = sin 33 / sin33 = 1

2 cos 60 = 2 * 1/2 = 1

so the last 2 parts work out to 0

now we have to find cos 70 / sin 20

sin 20 = cos 70 so this comes to 1

so finally the answer is 1

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Answer:

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