Question

Find sin 30°, cos30°, tan 30°, cosec 30°, sec30º and cot 30° by using the ratio
concepts.​

Answer 1

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Answer 2

Solution:

Given:

Find sin 30°, cos30°, tan 30°, cosec 30°, sec30º and cot 30° by using the ratio concepts.

Calculation:

$=>\sqrt{ \frac{3}{2} } + \frac{1}{2} + \sqrt{3} + \frac{1}{ \sqrt{3} } + 2 + \frac{2}{\sqrt{3} } \\ =>\frac{1 + \sqrt{3} }{2} + \sqrt{3} + 2 + \frac{3}{ \sqrt{3} } \\ => \frac{1 + \sqrt{3} }{2} + \frac{ \sqrt{3 } + \sqrt{3} }{ \sqrt{3} } + 2 + \sqrt{3} \\ => \frac{1 + \sqrt{3} }{2} + 2 \sqrt{3} + 2 \\ => \frac{1 + \sqrt{3} }{2} + 2( \sqrt{3} + 1) \\ => \frac{1 + \sqrt{3} + 4 \sqrt{3} + 4}{2} \\ => \frac{1 + 4 + \sqrt{3} + 4 \sqrt{3} }{2} \\ => \frac{5 + 5 \sqrt{3} }{2}$

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