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Sergeeva-Olga [200]
3 years ago
14

How do you solve real-world applications involving trigonometric ratios?

Mathematics
1 answer:
almond37 [142]3 years ago
7 0

Answer: find the answer in the explanation.

Step-by-step explanation:

There are various real life applications of trigonometry ratio such in building construction, oceanography, cartography, e.t.c

Its application extends to aviation industry, astronomy and oil and gas industry. Just to mention a few.

We can solve real-world applications involving trigonometric ratios by applying calculus and periodic function table and chart, and calculation involving trigonometry ratio itself ( Soh Cah Toa) e.t.c.

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PLEASE HELP ME PLS I NEED IT
SOVA2 [1]

Answer:

X=17.9

Step-by-step explanation:

6 0
3 years ago
Show so that the expression of cos4A in term of SinA is 8Sin^4 - 8Sin^2A + 1​
Degger [83]

Answer:

Step-by-step explanation:

L

H

S

=

cos

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=

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(

cos

(

2

x

)

)

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−

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=

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(

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−

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)

2

−

1

=

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(

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cos

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x

−

4

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)

−

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=

8

cos

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x

−

8

cos

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+

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cos

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x

−

8

cos

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x

+

1

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R

H

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L

H

S

=

cos

4

x

=

2

cos

2

(

2

x

)

−

1

=

2

(

1

−

2

sin

2

x

)

)

2

−

1

=

2

(

1

−

4

sin

2

x

+

4

sin

4

x

)

−

1

=

2

−

8

sin

2

x

+

8

sin

4

x

−

1

=

8

sin

4

x

−

8

sin

2

x

+

1

=

R

H

S

sin

2

x

+

cos

2

x

=

1

cos

2

x

=

1

−

sin

2

x

substitute in the equation as follows

8

cos

4

x

−

8

cos

2

x

+

1

=

8

cos

2

x

(

cos

2

x

−

1

)

+

1

=

8

(

1

−

sin

2

x

)

(

1

−

sin

2

x

−

1

)

+

1

=

8

(

1

−

sin

2

x

)

(

−

sin

2

x

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+

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4

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5 0
3 years ago
It is one more than the sum of the first three natural numbers, followed by the 24th letter of the alphabet. Please help
Luda [366]

Answer:

The set of natural numbers is the set of all positive integers, then this set is:

{1, 2, 3, ...}

and the 24th letter of the alphabet is x

Now we want to write the expression given in the sentence "It is one more than the sum of the first three natural numbers, followed by the 24th letter of the alphabet"

We can "break" this in parts, so it is easier to understand.

Then:

"...the sum of the first 3 natural numbers..."

is:

1 + 2 + 3

Then:

"...the sum of the first 3 natural numbers, followed by the 24th letter of the alphabet"

This can be written as:

(1 + 2 + 3) + x

Now we can analyze the complete sentence:

"It is one more than the sum of the first three natural numbers, followed by the 24th letter of the alphabet"

This is equal to the expression we found above plus one, then we can write this as:

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