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Grade 12th PassTrigonometry

The value of- (1+ tan11') (1+ tan34')/(1+ tan17') (1+ tan28')

Profile image of Vikas TU
15 Years agoGrade 12th Pass
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1 Answer

Profile image of divyansh sethi
15 Years ago

remember if a+b=45 ,then (1+tanA)(1+tanB)=2

since,in (1+tanA)(1+tanB) ,A=11 and B =34 hence a+b=45,

similarly  2/2=1    ANS.