Grade 11Trigonometry
If tanπ/9,x,tan5π/9 and tanπ/9,y,tan7π/9 are in AP Derive the relationship between x and y
If tanπ/9,x,tan5π/9 and tanπ/9,y,tan7π/9 are in AP Derive the relationship between x and y
1 Answer
Vikas TU
Dear Student,
tan π/9, x, tan 5π/9 and tan π/9, y, tan 7π/9 are in AP.
Therefore 2x = tan 5π/9 + tan π/9 and 2y = tan π/9 + tan 7π/9.
Therefore 2x + 2y = tan 7π/9 + tan 5π/9 + 2 tan π/9.
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)
Thapar University)
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