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Keith_Richards [23]
2 years ago
11

STUDENT HOURS KATY 5.5

Mathematics
1 answer:
mario62 [17]2 years ago
4 0
The best answer to go with is b
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Trigonometric identities Simplify cos^2 theta -1/ 4 sin^2 theta
Veronika [31]

Answer:

B

Step-by-step explanation:

using the identity

sin²x + cos²x = 1 ( subtract 1 from both sides )

sin²x + cos²x - 1 = 0 ( subtract sin²x from both sides )

cos²x - 1 = - sin²x

then

\frac{cos^20-1}{4sin^20}

= \frac{-sin^20}{4sin^20} ← cancel sin²Θ on numerator and denominator

= \frac{-1}{4}

= - \frac{1}{4}

4 0
2 years ago
Find the image of NPQ under the translation of (x, y) + (x + 8, y + 1).
nirvana33 [79]

Answer:

Triangle KLM

Step-by-step explanation:

Firstly, we need to write the coordinates of triangle NPQ

We have this as;

(-7,-6) for N

(-4,-3) for P

(-4,-6) for Q

Now, we are going to use the given translation formula;

(x + 8, y + 1)

N’ will be (-7+ 8, -6 + 1) = (1,-5)

P’ will be (-4+ 8, -3+1) = (4,-2)

Q’ will be (-4+ 8, -6+1) = (4,-5)

Now, we need to find the triangle with the exact given transformation coordinates calculated above;

We have the triangle as;

KLM

With K as (1,-5) ; L as (4,-2) and ; M as (4,-5)

5 0
3 years ago
Question below in image
saul85 [17]
33 is correct good job
3 0
2 years ago
1.338, 1.729, 1.755, 1.153, 1.806, 1.993, 1.45, 1.152, 1.935, 1.095
Nikolay [14]

Answer:

1.095, 1.152, 1.153, 1.338, 1.45, 1.729, 1.755, 1.806, 1.935, 1.993

Step-by-step explanation:

6 0
3 years ago
How do I find the length of the third side of the triangle
Stels [109]
U can use the Pythagorean theorem which is (a^2 + b^2 = c^2)  It'll help you a lot
8 0
3 years ago
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