Answer:
Step-by-step explanation:
b:)
Yes it is true:
(1 - cos^2 x) = sin^2 x Sqr.(1 - cos^2 x) = sin x and (-sinx) True, since sin x negative. Also, x terminates in quadrant 3 and 4. Hope this is helpful
I have no idea like I do not know like I have no clue what is going on
Answer:
45 miles per hour
Step-by-step explanation:
Divide 35 by 7 and multiply by 9
Gcf is 9:
9(4+5)
so 81 is the answer if you need it