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Can someone help me with this problem
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4 votes
4 votes
Can someone help
me with this problem

Can someone help me with this problem-example-1
User Undrium
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2 Answers

4 votes
4 votes

Answer:

download QANDA thank you

User Abdulmuhaymin
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4 votes
4 votes

cos30= (root3)/2 cos45= (root2)/2 cos60= 1/2

so the correct answer is 30

User Cactus Philosopher
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