Answer:
- 
Step-by-step explanation:
Given 630 < A > 720 then A is in the fourth quadrant where
cosA > 0 and sinA < 0
Given
cosA = 
= 
Then the triangle is a 3- 4 - 5 with opposite side 4, thus
sinA = - 
= - 
Using the trigonometric identity
sin2A = 2sinAcosA
= 2 × - ×
= 
= -
Answer:
1:2
is your answer
Step-by-step explanation:
Answer:
E
Step-by-step explanation:
Hopefully this isn't too late. My work is attached below.
Answer:
6x-5=59 answer
Step-by-step explanation:
6x=64
x=64/6
x=10.66
Answer:
5
Step-by-step explanation: i created the list of numbers.
15: 1,3,<u>5</u>,15
20: 1,2,4,<u>5</u>,10,20
can i get branliest
