KayleighRemer321 KayleighRemer321

14-08-2016
Mathematics

contestada

Evaluate the expression without using a calculator. Sin 30 Cos 60+ Sin 60 Cos30

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princegn princegn

14-08-2016

=sin30cos60 + sin60cos30
=(1/2)(1/2) + (√3/2)(√3/2)
=1/4 + 3/4
=1+3/4
=4/4
=1

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Аноним Аноним

14-08-2016

Solutions

[tex]Sin30cos60 + Sin60cos30 =(1/2)(1/2) + ( \sqrt{3/2})( \sqrt{3/2}) =1/4 + 3/4 =1+3/4 =4/4 =1[/tex]

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