Answer:
sinA = ± 
Step-by-step explanation:
Using the Pythagorean identity
sin²A + cos²A = 1 ( subtract cos²A from both sides )
sin²A = 1 - cos²A ( take the square root of both sides )
sinA = ± 
Answer:
D.
Step-by-step explanation:
Answer:
86
Step-by-step explanation:
= 200 +142 -28
=342-28
=314
= 1000
G(x)=-3 because f(x)=1 and you plug in 1 for X.
Answer:
I believe it would be C, 8 squared.
Step-by-step explanation:
8 squared means to multiply 8 twice. Not by two, 8 times 8. If you do that, you will get 64. This means that 8 squared is equivalent to 64'1