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3 years ago

Find the area of the quadrilateral in the figure

Mathematics

2 answers:

katen-ka-za [31]3 years ago

8 0

Answer:I'm just gonna these points cause i can't help ya without pictures

Step-by-step explanation:

Wittaler [7]3 years ago

6 0

Where's the figure? I can't exactly solve this question without knowing how the figure looks like. So put a picture of the figure and then I'll try to answer your question. :)

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Find the exact values of a) sec of theta b)tan of theta if cos of theta= -4/5 and sin<0

Gre4nikov [31]

Answer:

Using trigonometric ratio:

$\sec \theta = \frac{1}{\cos \theta}$

$\tan \theta = \frac{\sin \theta}{\cos \theta}$

From the given statement:

$\cos \theta = -\frac{4}{5}$ and sin < 0

⇒ $\theta$ lies in the 3rd quadrant.

then;

$\sec \theta = \frac{1}{-\frac{4}{5}} = -\frac{5}{4}$

Using trigonometry identities:

$\sin \theta = \pm \sqrt{1-\cos^2 \theta}$

Substitute the given values we have;

$\sin \theta = \pm\sqrt{1-(\frac{-4}{5})^2 } =\pm\sqrt{1-\frac{16}{25}} =\pm\sqrt{\frac{25-16}{25}} =\pm \sqrt{\frac{9}{25} } = \pm\frac{3}{5}$

Since, sin < 0

⇒ $\sin \theta = -\frac{3}{5}$

now, find $\tan \theta$ :

$\tan \theta = \frac{\sin \theta}{\cos \theta}$

Substitute the given values we have;

$\tan \theta = \frac{-\frac{3}{5} }{-\frac{4}{5} } = \frac{3}{5}\times \frac{5}{4} = \frac{3}{4}$

Therefore, the exact value of:

(a)

$\sec \theta =-\frac{5}{4}$

(b)

$\tan \theta= \frac{3}{4}$

7 0

3 years ago

Helpp lang pooo di ko alam eh..<br>A.P po subject

docker41 [41]

Answer:

I can't answer this I don't know this language-

8 0

3 years ago

Simplify the expression 53 + 3(5 − 3).

IrinaVladis [17]

Answer:

Step-by-step explanation:

5-3=2

53+3(2)

53+6

=59

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3 years ago

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A circle with a radius of 1 unit and center C at (-2, 1) is reflected across the x-axis. What are the coordinates of C?

Inessa [10]

Answer: b

Step-by-step explanation:

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3 years ago

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Hey can anybody help me out

NikAS [45]

You should be able to find the answer try using the tiger math app

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3 years ago