Answer:
The exact value of cos(45°) is √(2) / 2.
Step-by-step explanation:
I don't get how it would be a system of equations.
Answer: 4/2
Step-by-step explanation: Rise over run. From point S to R it goes up 4 and over 2.
Can you send
picture or the question...please?
Answer:
B
Step-by-step explanation:
First calculate BD using sine ratio in Δ BCD and the exact value
sin60° =
, thus
sin60° =
=
=
=
( cross- multiply )
2BD = 12
( divide both sides by 2 )
BD = 6
-----------------------------------------------------------
Calculate AD using the tangent ratio in Δ ABD and the exact value
tan30° =
, thus
tan30° =
=
=
=
( cross- multiply )
AD = 6
( divide both sides by
)
AD = 6 → B