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Delicious77 [7]
3 years ago
13

Simplify: sec x – sec x (sin x)2

Mathematics
2 answers:
givi [52]3 years ago
5 0

Answer:

Sec (x) - 2 tan (x)

Step-by-step explanation:

CaHeK987 [17]3 years ago
5 0

Answer:

Cos x

Step-by-step explanation:

HINT:

1 -   Sin² x = Cos² x

Sec x = \frac{1}{Cos x}

Sec x - Sec x*(Sin x)² = Sec x (1 - Sin² x)

                                  = Sec x * Cos²x

                                  = \frac{1}{Cos x}*Cos^{2} x

                                  = Cos x

                               

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4x −3/3 =7 what is x
ratelena [41]

Answer:

x = 6

Step-by-step explanation:

4x - 3 = 7×3

4x - 3 = 21

4x = 21 + 3

4x = 24

x = 6

I hope you understood the explanation!

4 0
3 years ago
Is (x + 5) a factor of f(x) = x3 − 4x2 + 3x + 7?
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6 0
3 years ago
The regular price of the soccer ball is $25. During the sale, it is 20 percent off. Use ratio reasoning to find x, the amount th
Evgen [1.6K]

$ 5 is taken is off the regular price

<em><u>Solution:</u></em>

Given that, Regular price of the soccer ball is $ 25

During the sale, it is 20 percent off

Let "x" be the amount that is taken off the regular price

Regular price = $ 25

Discount = 20 percent off

Which means, 20 % of regular price is taken off

x = 20 % of regular price

x = 20 % of 25

x = \frac{20}{100} \times 25\\\\x = 5

Thus $ 5 is taken is off the regular price

3 0
3 years ago
The Saxena family plans to install a light to illuminate part of their rectangular yard. Nikki and Dylan each proposed a differe
monitta

Options:

a. Nikki's proposed placement will light a greater area than Dylan's placement.

b.  Dylan's proposed placement will light a greater area than Nikki's placement.

c.  Both proposed placements will light the same sized area.

d. Nikki's proposed placement will light more than half the yard.

e. Dylan's proposed placement will light more than half the yard.

f.  Dylan's proposed placement will light exactly half of the yard.

g. Nikki's proposed placement will light less than half of the yard.

Answer:

C) Both proposed placements will light the same sized area.

F) Dylan's proposed placement will light exactly half of the yard.

Step-by-step explanation:

The area of a triangle is (base x height) / 2, and both lights illuminate the same base and height = (60 x 38) / 2 = 1,140 sq ft

Both Dylan's and Nikki's proposed placement will lit exactly half of the yard. The yard's total area = 60 x 38 = 2,280 sq ft, which is twice the area lit by the lights.

3 0
3 years ago
-3+m/3=12 how do I solve this
timama [110]
First: You add 3 to each side. Second: You multiply each side by 3. Third: You gaze in wondrous amazement at the answer, which lies revealed before you on the page.
3 0
3 years ago
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