Evaluate 3 tan ^2 30°+tan^2 60°+cosec 30°-tan 45°÷ cot^245°
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TAN 30DEGREE= 1/ROOT3 AND TAN 60 DEGREE=ROOT3 ALSO COSEC30 DEGREE=ROOT 2 AND TAN 45D=1 AND COT 45=1.
THEREFORE, 3*1/ROOT3^2+ROOT3^2+ROOT2-1-1^2
=3/3+6+ROOT2-1-1
=5+ROOT2=ANS.
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Fuhad:
Bro cosec 30 is not root 2 it's only 2
You can verify checking cosec 30= 1/sin30. 1/1/2=>2/1=2
YES,U ARE RIGHT THAT'S MY MISTAKE,I WILL MAKE IT CLEAR,BY THE WAY THANKS
Wlcm
BY THE WAY I AM NOT BRO ... YOU CAN CALL ME BY NAME, NEXT TIME
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