(cos0+sin30+sin45)(sin90+cos60-cos45)=7/4 prove
Answers
Answered by
1
Answer:
proved
Step-by-step explanation:
cos 0=1 sin 30= 1/2 sin 45=1/root2
sin 90=1 cos 60=1/2 cos 45 is 1/root2
by substituting and solving we get ans is 7/4
Similar questions