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

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

User Doug Porter
by
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2 Answers

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Solutions


Sin30cos60 + Sin60cos30 =(1/2)(1/2) + ( √(3/2))( √(3/2)) =1/4 + 3/4 =1+3/4 =4/4 =1
User Raacer
by
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3 votes
=sin30cos60 + sin60cos30
=(1/2)(1/2) + (√3/2)(√3/2)
=1/4 + 3/4
=1+3/4
=4/4
=1
User Sarah Rose
by
7.8k points
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