Answer:
2√61/19
Step-by-step explanation:
sin^2 x = 1 - cos^2 x
= 1 - (3√13/ 19)^2
= 1 - 117/361
= 244/361
sin x = √244/19
= 2√61/19.
Answer:
|2x|
Step-by-step explanation:
The square root symbol indicates the positive square root. That is, ...
Then the square root you show is ...
Answer: 10:14, 15:21, 20:28
Step-by-step explanation: These are all multiples of 5 and 7.
5: 10, 15, 20
7: 14, 21, 28
So it is C. 10:14, 15:21, 20:28
Answer:
1
Step-by-step explanation:
any number to the power 0 is equal to 1