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3 years ago

How can you verify trigonometric identities?

Mathematics

2 answers:

Thepotemich [5.8K]3 years ago

8 0

Answer:

Consequently, any trigonometric identity can be written in many ways. To verify the trigonometric identities, we usually start with the more complicated side of the equation and essentially rewrite the expression until it has been transformed into the same expression as the other side of the equation.

Step-by-step explanation:

VladimirAG [237]3 years ago

6 0

Answer:

By using 4x scheme but i am not sure because it is used in russia

Step-by-step explanation:

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A contractor is required by a county planning department to submit one, two, three, four, five, or six forms (depending on the n

Ratling [72]

Answer:

$k = \dfrac{1}{21}$

b) 0.476

c) 0.667

Step-by-step explanation:

We are given the following in the question:

Y = the number of forms required of the next applicant.

Y: 1, 2, 3, 4, 5, 6

The probability is given by:

$P(y) = ky$

a) Property of discrete probability distribution:

$\displaystyle\sum P(y_i) = 1\\\\\Rightarrow k(1+2+3+4+5+6) = 1\\\\\Rightarrow k(21) = 1\\\\\Rightarrow k = \dfrac{1}{21}$

b) at most four forms are required

$P(y \leq 4) = \displaystyle\sum^{y=4}_{y=1}P(y_i)\\\\P(y \leq 4) = \dfrac{1}{21}(1+2+3+4) = \dfrac{10}{21} = 0.476$

c) probability that between two and five forms (inclusive) are required

$P(2\leq y \leq 5) = \displaystyle\sum^{y=5}_{y=2}P(y_i)\\\\P(2\leq y \leq 5) = \dfrac{1}{21}(2+3+4+5) = \dfrac{14}{21} = 0.667$

8 0

3 years ago

HELP THIS IS FOR MY FINAL GRADE

Damm [24]

Answer:

Ida makes $ 6960 in 5 weeks.

Step-by-step explanation:

Let the profit of the first week is p.

p = $ 600

Total profits of the five weeks

= p + (p + 0.15p) + (p + p +0.15 p) + (p + p + p + 0.15 p) + (p + p + p + p + 0.15 p)

= 11 p + 0.6 p

= 11 x 600 + 0.6 x 600

= 6600 + 360

= $ 6960

So, Ida makes $ 6960 in 5 weeks.

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3 years ago

7x − 8y = 2 a function

seropon [69]

Answer:

x = 2/7 or 0.285714

Step-by-step explanation:

Your welcome :)

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3 years ago

I need help ASAP please

Vilka [71]

Answer:A -3,6

Step-by-step explanation: Substitue the answers in and they work out

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3 years ago

Explain why -11 is less than -7 , but |-11| is greater than |-7 | .

babunello [35]

Here's the Reason, -11 is taking away more while -7 is taking away less and heres the next one, |-11| is greater BUT if you take the bars away its less same for |-7|

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3 years ago