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Domain and Range of Trigonometric Ratios

In Figure, if...

Question

In Figure, if $sin x = 0.5$ , calculate the approximate value of $tan x$ .

A

0.577

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B

0.707

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C

1

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D

1.155

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E

2

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Solution

The correct option is B $0.577$
Given, $sin x = \frac{1}{2}$
$\Rightarrow x = 30$ degrees
Therefore $tan x = tan (30) = \frac{1}{(\sqrt{3})} = 0.577$

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