Question

resolverla ayuden ?? ​

Answer 1

respuesta: 1

(sen 30 * cos60 + cos30 * sen60)+ (cos30* cos60 -sen 30*sen60)

(1/2 x 1/2 + √3/2 x √3/2) + (√3/2 x 1/2 - 1/2 x √3/2)

(1/4+3/4)+(√3/4-√3/4)

(1/4+3/4) + (0)

4/4=1