3 years ago

Which trigonometric functions are equivalent to cos ∅. There must be only 2 selections no more no less !

Mathematics

1 answer:

oksian1 [2.3K]3 years ago

5 0

Answer:

cos(theta+2π) and -cos(-theta)

Step-by-step explanation:

theta plus 2π have the same cosine output as theta on a graph.

the negative cosine of negative theta is equal to the positive cosine of positive theta.

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anyanavicka [17]

Answer:

It would be 1/8

Step-by-step explanation:

32 divided by 4 is 8

8 0

2 years ago

Please help me with this problem. I'm stuck!!

mihalych1998 [28]

$\bf S(t)=4\pi \left( \cfrac{3}{8}t^4 \right)^2\impliedby \textit{distributing the exponent}
\\\\\\
S(t)=4\pi \left( \cfrac{3^2}{8^2}t^{4\cdot 2} \right)\implies S(t)=4\pi \cdot \cfrac{9t^8}{64}\implies S(t)=\cfrac{4}{64}\cdot \cfrac{9\pi t^8}{1}
\\\\\\
S(t)=\cfrac{1}{16}\cdot \cfrac{9\pi t^8}{1}\implies S(t)=\cfrac{9\pi t^8}{16}$