Cosx= sin(90-x)
From the RHS,
sin(90-x)= sin90cosx-cos90sinx
Since sin90=1, cos90=0
sin90cosx-cos90sinx=cosx-0=cosx (proven)
Answer:
The height of the cone-shaped cup is 6 inches and the diameter at the top is 3 inches. What is ... Both cones and cylinders have circular bases.
Step-by-step explanation:
Parallel lines have equal/same slopes
A mixed number and one and two-ninths.
Hope this helps! :D