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Ann [662]
3 years ago
5

Help ppppppppppppllllllllllllllllsssssssss

Mathematics
2 answers:
Zigmanuir [339]3 years ago
6 0
<h2>Answer:</h2>

<u>The right choice is option </u><u>(B) tan²θ + 1 = sec²θ</u>

<h2>Step-by-step explanation:</h2>

1 + (sin²θ/cos²θ)  

= (cos²θ/cos²θ) + (sin²θ/cos²θ)

= (cos²θ + sin²θ) / cos²θ

= 1/cos²θ

= sec²θ

marissa [1.9K]3 years ago
4 0

Answer:

option b)

tan²θ + 1 = sec²θ

Step-by-step explanation:

The Pythagorean trigonometric identity is a trigonometric identity expressing the Pythagorean theorem in terms of trigonometric functions.

hypotenuse² = height² + base²

Given in the questions are some pythagorus identities which except of b) are all incorrect as explained below.

<h3>1)</h3>

sin²θ + 1 = cos²θ     incorrect

<h3>sin²θ + cos²θ = 1 correct</h3><h3 /><h3>2)</h3>

by dividing first identity by cos²θ

sin²θ/cos²θ + cos²θ/cos²θ = 1/cos²θ

<h3>tan²θ + 1 = sec²θ  correct</h3><h3 /><h3>3)</h3>

1 - cot²θ = cosec²θ  incorrect

by dividing first identity by sin²θ

sin²θ/sin²θ + cos²θ/sin²θ = 1/sin²θ

<h3>1 + cot²θ = cosec²θ correct</h3><h3 /><h3>4)</h3>

1 - cos²θ  = tan²θ

not such pythagorus identity exists

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James is putting a fence around his square yard. The area of his yard is 100 square feet. How much fencing does James need in to
gtnhenbr [62]

Answer:

40 ft.

Step-by-step explanation:

Because James's yard is a square, we can take the square root of the area to find the side length. The square root of 100 is 10, so we know that one side of his yard will require 10 feet of fencing. Since the yard has 4 sides, we simply need to do 4 * 10 = 40 ft of fencing.

Hope this helps!

3 0
2 years ago
In the figure below, AC and BD are diameters of circle P.
Anni [7]

Answer:

147 °

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Line CH contains points (-2, 6) and H(5, -3) What is the slope of G?
Xelga [282]

Answer:

The slope of line G is \dfrac{- 9}{7}  .

Step-by-step explanation:

Given as :

The points of the line CH contains

C = x_1 ,  y_1 = - 2 , 6

H = x_2 ,  y_2 = 5 , -3

Let The slop of line CH = G

<u>Now, slope of line is </u>

G = \dfrac{y_2 - y_1}{x_2-x_1}

i.e G = \dfrac{- 3 - 6}{5 -(-2)}

Or, G = \dfrac{- 9}{5 +2}

Or,G = \dfrac{- 9}{7}

So, The slope of the line CH = G = \dfrac{- 9}{7}

Hence, The slope of line G is \dfrac{- 9}{7}  . Answer

4 0
3 years ago
Consider this equation: –3x – 5 2x = 6which is an equivalent equation after combining like terms?
Alla [95]
-3x-5+2x=6
2x-3x-5=6
-1x-5=6
-x-5=6
-x=11
x=11
an equivilent equaiton is x=11
7 0
3 years ago
I need to answer for the parentheses
rewona [7]

Answer:

(4x+2) +(3x+4)

Step-by-step explanation:

2(6x²+11+4)

(6x+3)+(3x+4)

12x²+16x+6x+8

12x²+22x+8

let me know if this helps guys my husband helped me with it he is good at math

6 0
3 years ago
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