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DaniilM [7]
3 years ago
6

Prove identitysin3B+sin5B+sinB/cosB+cos5B+cos3B=tg3B​

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
6 0

Answer:

Step-by-step explanation:

doggy style :)

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What is 7% of 300000000 and how do you work it out?
ArbitrLikvidat [17]

Answer:

21,000,000

Step-by-step explanation:

Divide 7 into 300000000

If you could subscribe to my friend penny_pg3d on yt that would be great

5 0
3 years ago
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? divided by 2/3= 3/8
NeX [460]
When you divide by a fraction all you have to is multiply by the reciprocal. The reciprocal of 3/8 is 8/3. 
<span>The real problem is 2/3 TIMES 8/3. Multiply the numerators across 2 X 8 = 16. Then multiply the denominators across 3 X 3 = 9. The answer is 16/9. If you need to simplify then the answer is 1 7/9.</span>
3 0
3 years ago
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In the calm waters of an inlet, Manon's boat moves with a velocity (speed and direction) vector \vec{b_1} = (3,4) b 1 ​ ​ =(3,4)
andrew-mc [135]

Answer with Step-by-step explanation:

We are given that

b_1=(3,4)

b_2=(1,1)

We have to find the speed of river's current and the direction of current flowing.

b=b_2-b_1=(1,1)-(3,4)=(-2,-3)

Speed of river's current=\mid b\mid

Speed of river's current=\sqrt{(-2)^2+(-3)^2}

Speed of river's current=\sqrt{13} m/s

By using the formula

\mid r\mid =\sqrt{x^2+y^2}

Direction of current flowing,\theta=tan^{-1}(\frac{y}{x})

\theta=tan^{-1}(\frac{-3}{-2})=56.3^{\circ}

The angle lies in third quadrant therefore

\theta=180+56.3=236.3^{\circ}

3 0
3 years ago
Simplify. logv7 13 + logv7 10 v=base exponent
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Bfukbcfjm jejejand keke a snow d chaka disks
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3 years ago
Hellpp don't understand :(
olya-2409 [2.1K]
First you gave to get the denominators all the same then you can answer the questions
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3 years ago
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