can someone help me for this question 2
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firstly you have to know about tan30=1/√3;tan60=√3;tan45=1 ; now put everything in equation so (1/√3 )^2 +(√3)^2 +(1)^2
/. __1/3 +3 +1=13/3 is your answer
/. __1/3 +3 +1=13/3 is your answer
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