NCERT Example 21 - Trigonometric Functions

Question: If tan x=3/4 and pi < x < 3pi/2, find sin(x/2), cos(x/2) and tan(x/2).

Answer: sin(x/2)=3/sqrt(10), cos(x/2)=-1/sqrt(10), tan(x/2)=-3.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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