tan (pi/16)+2 tan(pi/8)+4=________________
tan (pi/16)+2 tan(pi/8)+4=________________
suchintan mondal , 16 Years ago
Grade 12
Trigonometry> value of...
2 Answers
Askiitian.Expert Rajat
Hi,
Find tan (pi/8) using tan(2x)=2tanx/(1-tan2x)
Similarly, find tan (pi/16)
Regards,
Rajat
Askiitian Expert
Nitish jha
Apply formula of tanx=sin2x/1+cos2xX=pi/8=1/sqroot2/1+square root2Solve this and put tanpi/8 value again in same formula X=
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