sin60 cos 30° + sin30 cos cos60
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3
Answer:
1
Step-by-step explanation:
Sin60*cos(90-60)+sin30.cos(90-30)
Sin60*sin60+sin30*sin30
Sin²60+sin²30
{√3/2}² + (1/2)²
3/4+1/4
(3+1)/4
4/4
= 1
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