Simplify : (sin pi/3)^2 +(cot pi/6)^2 +(sec pi/4)^2Can someone show me the steps to solving this?

Asked on by rapash

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embizze | High School Teacher | (Level 2) Educator Emeritus

Posted on

Simplify `(sin (pi/3))^2+(cot (pi/6))^2+(sec (pi/4))^2` :

`sin (pi/3)=sqrt(3)/2`

`cot (pi/6) = sqrt(3)`


so the sum is


Note that `cot x =1/(tan x)` and `secx = 1/cosx`

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