Question

if y =[tan_1 (2x/1_×2)+2tan_1(1/×)]0<x<t,find dy/dx
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Answer 1

Answer:

if 0<∅<π/8 then show that √2+√2+√2+2cos40°=2cos(∅/2)

Step-by-step explanation:

if 0<∅<π/8 then show that √2+√2+√2+2cos40°=2cos(∅/2)