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You are cooking!!
You have found hidden box #6!
Solve the following 4 problems:
1. If
2. Find the exact value:
3. Find the exact value of:
4. A passenger in an airplane at an altitude of 10 km sees two towns directly to the east of the plane. The angles of depression to the towns are 28º and 55º. Find the distance between the towns to the nearest km.
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and 
Read carefully!!
Find the product of your four answers and 30. Square this result.
Place this new value in the address below (following the capital letters "PC"), and type the address into your browser to find the next hidden box.
http://mathbits.com/caching/PC__________.html