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Bogdan [553]
3 years ago
14

Help me on this question..........

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0
Answer: $18





Explanation: 6x3



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4pi/3 find the exact trigonometric ratios for the angle whose radian measue is given
bulgar [2K]

Answer:

All trigonometric ratios.

Step-by-step explanation:

We have to find all the trigonometric ratios.

Given:

\theta = \dfrac{4\pi}{3} = \pi + \dfrac{\pi}{3}

Formula:

\sin(\pi +x) = -\sin(x)\\\cos(\pi +x) = -\cos(x)

\sin(\pi + \dfrac{\pi}{3}) = -\sin(\dfrac{\pi}{3}) = -\dfrac{\sqrt{3}}{2}

\cos ((\pi + \dfrac{\pi}{3})) = -\cos(\dfrac{\pi}{3}) = -\dfrac{1}{2}

Formula:

\tan\theta =\dfrac{\sin\theta}{\cos\theta}\\\cot\theta = \dfrac{1}{\tan\theta}\\\sec\theta = \dfrac{1}{\cos\theta}\\\csc\theta = \dfrac{1}{\sin\theta}

\tan(\pi + \dfrac{\pi}{3})= \dfrac{\sin(\pi + \dfrac{\pi}{3})}{\cos(\pi + \dfrac{\pi}{3})}\\\\\tan(\pi + \dfrac{\pi}{3}) = \dfrac{\frac{-\sqrt{3}}{2}}{\frac{-1}{2}} = \sqrt{3}

\cot(\pi + \dfrac{\pi}{3}) = \dfrac{1}{\tan(\pi + \dfrac{\pi}{3})} = \dfrac{1}{\sqrt{3}}

\sec(\pi + \dfrac{\pi}{3}) = \dfrac{1}{\cos(\pi + \dfrac{\pi}{3})} = -2

\csc(\pi + \dfrac{\pi}{3}) = \dfrac{1}{\sin(\pi + \dfrac{\pi}{3})} = -\dfrac{2}{\sqrt{3}}

8 0
3 years ago
At a football stadium, 4% of the fans in attendance were teenagers. If there were 80
Bess [88]

Answer:

2000 people

Step-by-step explanation:

4%= 80

2%=40

1%=20

100%= 2000 people

Hope this helped! :)

3 0
3 years ago
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You build a skateboard ramp that is 5 feet high and has a base 14.5 feet long. What is the approximate angle of elevation?
victus00 [196]
Tan ele = 5/14.5
elevation = tan^-1 (5/14.5) = 19.02 degrees
3 0
4 years ago
Read 2 more answers
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