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VladimirAG [237]
3 years ago
14

Find the value of the csc 40° using your calculator. (I've been having a hard time with this, so it'd be helpful if anyone could

explain how I could solve this, please)
1.342
0.745
1.556
0.643
Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
7 0
<span><u><em>The correct answer is: </em></u>
C 1.556.

<u><em>Explanation:</em></u>
This can be found by locating the csc button on your calculator. Typically it is located as the second option below the sin button as it is the inverse function.
If you cannot locate the csc button on your calculator, you can also use </span>\frac{1}{sin(40)}<span> as csc is its inverse.

Also, it is helpful to note that some calculators have both a degrees and a radians mode for trigonometric functions. You will need to make sure that you are in degrees in order to use a calculator to solve this. </span>
Nataliya [291]3 years ago
3 0

Answer:

Option C is the correct answer.

Step-by-step explanation:

The question is to find the value of cosec 40°.

We know that cosecθ = 1/sinθ

Most of the calculators won't be having cosec function, they will be having only sin function.

So for calculating cosec 40° first find the value of sin 40° and then calculate 1/sin 40° to get the value of cosec 40°.

We have

                     sin 40° = 0.642

                    1/sin 40° = 1.556

Option C is the correct answer.

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