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I am Lyosha [343]
3 years ago
11

Verify that sec^2 xsin^2 x = tan^2 x

Mathematics
1 answer:
vredina [299]3 years ago
6 0

Here's the solution,

  • \sec {}^{2} (x)  \times  \sin {}^{2} (x)  =   \tan {}^{2} (x)

  • \dfrac{1}{ \cos {}^{2} (x) }  \times  \sin {}^{2} (x)  =  \tan {}^{2} (x)

  • \dfrac{ \sin {}^{2} (x) }{  \cos {}^{2} (x)  }  =  \tan {}^{2} (x)

  • \tan {}^{2} (x)  =  \tan {}^{2} ( { {x}^{} }^{} )
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PLEASE HELP!!!! WILL GIVE BRAINLEST
tiny-mole [99]

Answer:

31

Step-by-step explanation:

Since the two sides are equal, the two angles are equal

8x-1 = 5x+11

Subtract 5x from each side

8x-5x -1 = 5x-5x+11

3x-1 =11

Add 1 to each side

3x-1+1 =11+1

3x =12

Divide by 3

3x/3 =12/3

x =4

Now we can find WZY

5x+11

5(4)+11

20+11

31

4 0
3 years ago
Jayden deposited $7100 in a savings account with simple interest. Three months later, the account held $7,259.75. what was the i
Novosadov [1.4K]

Answer:

Step-by-step explanation:

7259.75 - 7100 = 159.75

he earned 159.75 in interest

159.75/ 7100= .0225

and if you convert that to percentages then its 2.25%

8 0
3 years ago
Help me pleasee (10 points)
Montano1993 [528]

Answer:

B

Step-by-step explanation:

Givens

a^2 + b^2 = c^2

a = 4x

b = x + 2

c = 3x + 4

Solution

(4x)^2 + (x + 2)^2 = (3x + 4)^3                  Remove all the brackets.

16x^2 + x^2 + 4x + 4 = 9x^2 + 24x + 16  Collect like terms on the left

17x^2 + 4x + 4 = 9x^2 + 24x + 16            Subtract the terms on the right

8x^2 - 20x - 12 = 0

This factors into

(4x - 12)(2x + 1)

There are 2 answers

4x - 12 = 0

4x = 12

x = 12/4

x = 3

or

2x + 1 = 0

2x = - 1

x = - 1/2

You have to look at x = -1/2 carefully. The problem is that 4x = 4*(-1/2) = - 2 which is not possible in Euclidean Geometry.

So the only answer is x = 3

4 0
3 years ago
Riley is building a garden box for his backyard. He wants the perimeter to be 32
babunello [35]
The length of the garden box would be 10ft if the width is 6ft.
7 0
4 years ago
Evaluate x + 8 when x = 7<br><br> a. 15<br><br> b. 1<br><br> c. -1<br><br> d. 56
Tems11 [23]

Answer:

a) 15

Step-by-step explanation:

x+8

substitute x value in

7+8

=15

8 0
4 years ago
Read 2 more answers
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