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Aleksandr [31]
3 years ago
13

If tan x=0.63 and cos x=0.83 , what does sin x =

Mathematics
1 answer:
MArishka [77]3 years ago
6 0
Tax(x)= sin(x)/cos(x)
sin(x)=tan(x)*cos(x)=0.63*0.83=0.5229
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Lewis designs a game in which players work together to run a food truck business. During one game, the business loses $260. The
Ronch [10]

Answer:

They each lost 65 dollars.

Step-by-step explanation:

Well they lost 260 dollars in total. 260/4 is 65. That means they now have however much money they had before -65.

3 0
2 years ago
This is a question on my partial fractions homework, but no matter what I try I can't figure it out..
Ierofanga [76]
\dfrac{x^2+x+1}{(x+1)^2(x+2)}=\dfrac{a_1x+a_0}{(x+1)^2}+\dfrac b{x+2}
\implies\dfrac{x^2+x+1}{(x+1)^2(x+2)}=\dfrac{(a_1x+a_0)(x+2)+b(x+1)^2}{(x+1)^2(x+2)}
\implies x^2+x+1=(a_1+b)x^2+(2a_1+a_0+2b)x+(2a_0+b)
\implies\begin{cases}a_1+b=1\\2a_1+a_0+2b=1\\2a_0+b=1\end{cases}\implies a_1=-2,a_0=-1,b=3

So you have

\displaystyle\int_0^2\frac{x^2+x+1}{(x+1)^2(x+2)}\,\mathrm dx=-2\int_0^2\frac x{(x+1)^2}\,\mathrm dx-\int_0^2\frac{\mathrm dx}{(x+1)^2}+3\int_0^2\frac{\mathrm dx}{x+2}
=\displaystyle-2\int_1^3\dfrac{x-1}{x^2}\,\mathrm dx-\int_0^2\frac{\mathrm dx}{(x+1)^2}+3\int_0^2\frac{\mathrm dx}{x+2}

where in the first integral we substitute x\mapsto x+1.

=\displaystyle-2\int_1^3\left(\frac1x-\frac1{x^2}\right)\,\mathrm dx-\frac1{1+x}\bigg|_{x=0}^{x=2}+3\ln|x+2|\bigg|_{x=0}^{x=2}
=-2\left(\ln|x|+\dfrac1x\right)\bigg|_{x=1}^{x=3}-\dfrac23+3(\ln4-\ln2)
=-2\left(\ln3+\dfrac13-1\right)-\dfrac23+3\ln2
=\dfrac23+\ln\dfrac89
4 0
3 years ago
In ΔNOP, the measure of ∠P=90°, NP = 45, ON = 53, and PO = 28. What ratio represents the secant of ∠N?
mart [117]

Answer:

53/45

Step-by-step explanation:

6 0
3 years ago
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Which expression is equivalent to
viva [34]

Answer:

C) x^{27} (\sqrt[3]{y} )

Step-by-step explanation:

8 0
3 years ago
I want to give them away!!!!
zhuklara [117]

Answer:

but why? Im just curious lol. but thanks! ^^

Step-by-step explanation:

8 0
3 years ago
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