Answer:
Option A.
Step-by-step explanation:
It is given secθ = - 
then cosθ = -
Now we know the identity
sinθ = 
= 
= 
Now sin2θ = 2sinθcosθ
Now we put the values of cosine and sine in the formula
sin2θ = 2×(-)(
)
= -
Therefore, option A. is the answer.
Answer:
22 1/2
Step-by-step explanation: 7 1/2 x3 = 22 1/2
proof 7 1/2 +7 1/2 +7 1/2 = 22 1/2
6)Not regular
7)regular
8)720
9)360
10)153.3
Paco's total score is 300 points. This can be found by subtracting 100 from 400.
Answer:
because there is 180 degrees in a line. if 105 degrees is taken away from the line. then (180 - 105) is 75 degrees.
