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Grade 12Trigonometry

if a=4/3 cot^2 30 +3 sin^2 60 -3/4 tan^2 30 and b=3 tan^2 45 +cos 0 -cot 90 then logb(a) is

Profile image of Vaishal Shah
15 Years agoGrade 12
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2 Answers

Profile image of Chetan Mandayam Nayakar
15 Years ago

a=(4/3)*3 + (3/4) - (3/4)*(1/3)=(9/2),b=3+1-0=4,logb(a)=log4(9/2)

Profile image of shubhra pathak
15 Years ago

a=(4/3)*3+(3/4)^2 -(3/4)*(1/3)   b=3+1-0

logb(a)= log4(69/4)