Math, asked by Andyhvs, 11 months ago

please answer this question

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Answered by sabitha2209

1

Step-by-step explanation:

sin(360+240)+cos(360-30)+cos(90+30)+cos(180-30)

=sin240+cos30-sin30-cos30

=sin(270-30)+√3/2-1/2-√3/2

=√3/2+√3/2-1/2-√3/2

=√3/2-1/2

=√3-1/2

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