Question

find the mean proportion of sin 30° and Cos 60°. Answer is 1/2.please solve and show fast​

Answer 1

Answer:

value of sin30 is 1/2

value of cos 60 is1/2

1/2+1/2

_____

2

=1/2

Answer 2

Solution :

WKT ,,,,

$\sin(30</strong><strong>°</strong><strong>) = \frac{1}{2} \\ \\ \cos(60</strong><strong>°</strong><strong>) = \frac{1}{2}$

$</strong><strong>M</strong><strong>ean \: \: proportion \: \: of \: \: \sin(30</strong><strong>°</strong><strong>) \: \: and \: \: </strong><strong>\</strong><strong>\</strong><strong> \cos( 60</strong><strong>°</strong><strong> ) </strong><strong>= \frac{ \sin(30</strong><strong>°</strong><strong>) + \cos(60</strong><strong>°</strong><strong>) }{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{ \frac{1}{2} + \frac{1}{2} }{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{ \frac{2}{2} }{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{1}{2}$

Therefore ,,,,

Mean proportion of sin 30 ° and cos 60 ° = 1 / 2

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