SOLUTION: Pleaseee i need help for exams .I am lost with this and need to know how to solve thes types of questions.how do i solve these.I need info on this what is this topic called? it

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Question 756017: Pleaseee i need help for exams .I am lost with this and need to know how to solve thes types of questions.how do i solve these.I need info on this what is this topic called?
it says
1.)Find cot 60 degrees- sin45 degrees

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find cot 60 degrees- sin45 degrees
=√3/3-√2/2
LCD: 6
=(2√3)/6-(3√2)/6
=(2√3-3√2)/6