Question

) Find the value of :
(cos 0 0 + sin 45 + sin 30 °) (sin 90° - cos 45 + cos 60)​

Answer 1

Answer:

(cos 0 + sin45+sin30)(sin90 - cos 45 + cos 60)

 (1+1/√2+1/2)(1-1/√2+1/2)

 = 7/2

therefore (cos 0+sin 45+sin 30 )(sin 90 - cos 45 + cos 60)= 7/2

Step-by-step explanation: