Question

prove that sin²(52½)-sin²(22½)=√3+1/2√2
urgent pls answer​

Answer 1

Step-by-step explanation:

Find an answer to your question Evaluate sin² ... sin² 22\frac{1}{2}^{\textdegree}. 2 ... now, [sin82 1/2° + sin22 1/2° ][sin82 1/2° - sin22 1/2° ] = √3sin52 1/2° cos52 1/2° ... √3/2 sin(60° + 45°) = √ 3/2 ...