NCERT Exercise 3.3 Q18 - Trigonometric Functions
Question: Prove (sin x-sin y)/(cos x+cos y)=tan((x-y)/2).
Answer: The identity holds.
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: Prove (sin x-sin y)/(cos x+cos y)=tan((x-y)/2).
Answer: The identity holds.
Full step-by-step NCERT solution with diagrams on Something by Zero.