∫{1+tanx tan(x+theta)} dx , plz as soon as possible, thank you.
Ashwin , 7 Years ago
Grade 12
Integral Calculus> ∫{1+tanx tan(x+theta)} dx , plz as soon a...
1 Answers
Arun
Last Activity: 7 Years ago
We know that, tan(c-b) = (tan c – tan b)/(1+tan c * tan b),
So, (1+tan c * tan b) = (tan c – tan b) / tan (c-b),
Put c= x+
, b=x,
(1+tanx * tan(x+)) = (tan(x+) – tan x) / tan(x+-x) = (tan(x+) – tan x) / tan ,
Now , seperate the two terms in 2 diff integrals and solve.
So, (1+tan c * tan b) = (tan c – tan b) / tan (c-b),
Put c= x+
(1+tanx * tan(x+
Now , seperate the two terms in 2 diff integrals and solve.
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