Word form:
Two and seven hundred eighty-nine thousandths
Expanded form:
2
+ 0.7
+ 0.08
+ 0.009
8 times 3 equals 23 and that is one of the answers
Answer:
sin^2α
Step-by-step explanation:
I will just pose x instead of alpha here to make things simpler

we know that sin^2x = 1 - cos^2x so...


we can rewrite using trigonometric identities (tan = sin/cos)...
