Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The approximate value of tan 46° is (take π = 22/7) :
Text Solution
Verified by ExpertsThe correct answer is:
B
Let y = tan x
Δ y = tan (x + Δ x) – tan x ⇒ 
Δ x = tan (x + Δ x) – tan x
⇒ (sec 2 x) Δ x = tan (x + Δ x) – tan x
put x = 45° , Δ x = 1° ⇒ 
= tan46° – 1 ⇒ tan46°= 1 + 
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