3 years ago

WILL UP VOTE!!!

Mathematics

1 answer:

9966 [12]3 years ago

5 0

Here you go. Hope you understand all of the work.

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Line p passes through (8, -6) and is perpendicular to the line 2x + y = -7.

kumpel [21]

Answer:

Step-by-step explanation:

the answer is 7 positive and negative equal positive so it is 7

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2 years ago

What's 221 rounded to the nearest 10

ycow [4]

It would be 220 rounded to the nearest ten because the number in the ones place does not equal or exceed 5.

So 220 is your answer :)

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3 years ago

Someone plzzzzzz!!!!!

Alex777 [14]

Answer:

yes

Step-by-step explanation:

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3 years ago

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Verify that (cos²a) (2 + tan² a) = 2 - sin² a....<br>

Sveta_85 [38]

Trigonometric Formula's:

$\boxed{\sf \ \sf \sin^2 \theta + \cos^2 \theta = 1}$

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

Given to verify the following:

$\bf (cos^2a) (2 + tan^2 a) = 2 - sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf (cos^2a) (2 + \dfrac{sin^2 a}{cos^2 a} )$

$\texttt{\underline{apply distributive method}:}$

$\rightarrow \sf 2 (cos^2a) + (\dfrac{sin^2 a}{cos^2 a} ) (cos^2a)$

$\texttt{\underline{simplify the following}:}$

$\rightarrow \sf 2cos^2 a + sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf 2(1 - sin^2a ) + sin^2 a$

$\texttt{\underline{distribute inside the parenthesis}:}$

$\rightarrow \sf 2 - 2sin^2a + sin^2 a$

$\texttt{\underline{simplify the following}} :$

$\rightarrow \sf 2 - sin^2a$

Hence, verified the trigonometric identity.

7 0

2 years ago

Read 2 more answers

Task 1:Different ways to represent Relations. Complete the table with the different ways.. Complete the table with the different

rewona [7]

Domains are the first sets of numbers they are also the x and the range is the second sets of number and is the y

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2 years ago