NCERT Miscellaneous Exercise Q4 - Trigonometric Functions
Question: Prove (cos x-cos y) squared +(sin x-sin y) squared =4sin-squared((x-y)/2).
Answer: The identity holds.
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: Prove (cos x-cos y) squared +(sin x-sin y) squared =4sin-squared((x-y)/2).
Answer: The identity holds.
Full step-by-step NCERT solution with diagrams on Something by Zero.