3 years ago

Given tan A =7/24, find the cos B. A. 7/25 B. 24/7 C. 24/25 D. 7/24

Mathematics

2 answers:

mestny [16]3 years ago

6 0

I would think c.
Hope this helps

kap26 [50]3 years ago

5 0

C-solve for hypotenuse which is 25 if tan A is 7/24 meaning the opposite is 7 and the adjacent is 24 then cos which is adjacent/hypotenuse would be 24/25

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Which expression is equivalent to...

olga_2 [115]

Answer:

$8m^5$

Step-by-step explanation:

Well we can simplify the numerator, by multiplying the 4 by the 6 and the m^3 and m^4 (add the exponents, explained in one of my previous answers I think)

This gives us the fraction: $\frac{24m^7}{3m^2}$

We can now divide the m^7 by m^2 by subtracting the exponents, and the reason why this works, is you're simply cancelling out the m's, If we express this in expanded form we have the following fraction: $\frac{24 * m * m * m * m * m * m * m}{3 * m * m}$

Since there is two m's in the denominator and there is also two (more than two) m's in the numerator, we can cancel those two m's out, and we get the fraction:

$\frac{24 * m * m * m * m * m}{3}$ which can be simplified in exponent form as: $\frac{24m^5}{3}$ , now all we have to do is divide the 24 by the 3, to get 8