Answer:
f' (n)=9
Step-by-step explanation:
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Answer:
%25 decreased
Step-by-step explanation:
The answer is letter A since the mixed form of 7/5 is equal to 1 and 2/5.
In trigonometric ratios, the cos (x) = adjacent over hypotenuse.
Therefore, in the diagram, cos (55°) = s/q
To isolate q, divide both sides by s
cos (55°) / s = 1/ q
Then flip both numerators and denominators (raise both sides to the power of -1)
q = s / cos (55°)
Answer is D
