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CaHeK987 [17]
1 year ago
11

In a right triangle, the acute angles have the relationship sin (2x+4)=cos(46).

Mathematics
1 answer:
Elis [28]1 year ago
7 0

The required value of the acute angle x in a  right angle triangle is 20. Option A is correct.

Given that
In a right triangle, the acute angles have a relationship,

sin (2x+4) = cos(46)

To determine the value of x

<h3>What are trigonometric equations?</h3>

These are the equation that contains trigonometric operators such as sin, cos.. etc.. In algebraic operation.

sin (2x+4) = cos(46)  - - - - - -(1)

Since,
cos(46) = cos (90 - 44)
cos(46) = sin (44)

put it in equation 1

sin (2x+4) = sin (44)
2x + 4 = 44
2x = 44 - 4
2x = 40
x = 20

Thus, the required value of the acute angle x in a  right angle triangle is 20. Option A is correct.


Learn more about trigonometry equations here:

brainly.com/question/22624805

#SPJ1

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9043.2 in^3 of lead

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Find the measure of the largest angle in ABC if a = 12, b = 8 and c = 13.
Papessa [141]

Answer:

C=78.28^{\circ \:}

Step-by-step explanation:

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we can find angle C

we can use law of cosine formula

cos(C)=\frac{a^2+b^2-c^2}{2ab}

now, we can plug values

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C=78.28^{\circ \:}

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2 years ago
How to find the volume of a composite solid
nata0808 [166]

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Erin created a scale drawing for a garden that will be 10 ft by 5 ft. She plans to include a section in the garden for herbs, wh
Elanso [62]

Answer:

The dimensions of the herb garden in the scale drawing are 2.4 in. by 6 in

Step-by-step explanation:

we know that

The dimensions of the garden in the actual are 10 ft by 5 ft

The dimensions of the garden on the scale drawing are 12 in. by 6 in

step 1

Find the scale factor

To find the scale factor divide the corresponding side on the scale drawing by the corresponding side in the actual

so

\frac{12}{10}\ \frac{in}{ft}

simplify

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That means

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step 2

Find out  the dimensions of the herb garden on the scale drawing

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Multiply by the scale factor

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2\ ft=2(1.2)=2.4\ in

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