Answer:
4th option
Step-by-step explanation:
given
sinΘ =
and cosΘ =
, then
(
)² + (
)²
=
+ 
= 
=
= 1
showing sin²Θ + cos²Θ = 1
I think the answer is x2 + 3x -28 and the x2 is x to the POWER of 2
Answer:
yes
Step-by-step explanation:
A rational number can be expressed in the form
← where a, b are integers
Given
← multiply numerator/ denominator by 10
=
= 5 =
← a rational number