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2 years ago

8

How do I find the degrees

1 answer:

Natalija [7]2 years ago

5 0

U mutiply the two mumber then then divide by 2

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18. cos t(sec t - cos t)

Margarita [4]

$\bf sin^2(\theta)+cos^2(\theta)=1\implies sin^2(\theta)=1-cos^2(\theta)\\\\
sec(\theta)=\cfrac{1}{cos(\theta)}
\\\\
-----------------------------\\\\
cos(t)[sec(t)-cos(t)]\implies cos(t)sec(t)-cos(t)cos(t)
\\\\\\
cos(t)\cdot \cfrac{1}{cos(t)}-cos^2(t)\implies 1-cos^2(t)\implies \boxed{sin^2(t)}$

8 0

2 years ago

Find the solution of the system of equations.<br> -x+3y=9<br> -x-y=-3

Inessa [10]

Step-by-step explanation:

use the steps of simultaneous

elimination steps

4 0

2 years ago

What’s the answer for LMN?

erastova [34]

Answer:

180

Step-by-step explanation:

4 0

2 years ago

This school is also thinking of changing their mascot to an armadillo. To change mascot, a 55% supermajority is needed. How many

Dennis_Churaev [7]

Answer:

132 students

Step-by-step explanation:

100% means all of something, so 100% can also be written as 1.00

Since we need 55% of 240, we can multiply 240 by 0.55 and get 132.

5 0

2 years ago

One solution of the equation x2 + 5x + 4 is -4. What is the other solution?

Oliga [24]

Answer:

<h2>x = -1</h2>

Step-by-step explanation:

$x^2+5x+4=0\\\\x^2+x+4x+4=0\\\\x(x+1)+4(x+1)=0\\\\(x+1)(x+4)=0\iff x+1=0\ \vee\ x+4=0\\\\x=-1\ \vee\ x=-4$

7 0

2 years ago