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salantis [7]
3 years ago
6

If tan 0=3/4 find sin0

Mathematics
1 answer:
bija089 [108]3 years ago
6 0

Answer:

sin O = \frac{3}{5}

Step-by-step explanation:

given tan O = \frac{3}{4} = \frac{opposite}{adjacent}

Then this is a right triangle with legs 3 and 4

Using Pythagoras' identity then the hypotenuse (h ) is

h = \sqrt{3^2+4^2} = \sqrt{25} = 5, hence

sin O = \frac{opposite}{hypotenuse} = \frac{3}{5}

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2. Find (w2 + 1)(w3 - W+1).
12345 [234]

Answer:

w^{5} + w^{2} - w + 1

Step-by-step explanation:

We have to find the simplified expression of (w^{2} + 1) (w^{3} - w + 1).

Now, we have to multiply each term using the distributive property of multiplication.

So, (w^{2} + 1) (w^{3} - w + 1)

= w^{2} \times (w^{3} - w + 1) + 1 \times (w^{3} - w + 1)

= (w^{5} - w^{3} + w^{2} ) + (w^{3} - w + 1)

= w^{5} + w^{2} - w + 1 (Answer)

4 0
4 years ago
Complete the table <br><br> A- 5, 6, 7, 8, 9 <br><br> B- 3.8, 4.6, 5.4, ____, ____,
Citrus2011 [14]
The common difference of the data set of A is 1. While the common difference in the data set of B is 0.80

B.) 3.8 + 0.80 = 4.60
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5 0
4 years ago
Read 2 more answers
(-2-4i) + (1+6i) how do you do this question
lesantik [10]
For this equation you would need to combine like terms
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6 0
4 years ago
Select the answer choices that show two fractions that are equal. (Select two)..
Kruka [31]

Problem 1

Answers: Choice A, choice D

The formula you use is

a & c/d = (a*d+c)/d

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So,

6 & 2/3 = (6*3+2)/3 = (18+2)/3 = 20/3

And also,

8 & 1/5 = (8*5+1)/5 = (40+1)/5 = 41/5

===============================================

Problem 2

Answer: Reflection

Think of how mirrors cause a reflection and this should help you remember the term better. If we reflect point A over some line L, to get point A', then the distance from A to L is the same from A' to L also.

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3 years ago
Find the area of the sector, show work please!! 25 points
olasank [31]

OPTION A is the correct answer.

6 0
3 years ago
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