Answer:
7π/4 radians = 315°, Quadrant IV
sin(315°) = -√2/2
cos(315°) = √2/2
tan(315°) = -1
Step-by-step explanation:
Answer:
it is a rational number.
Step-by-step explanation:
It is read as seven tenths and is equivalent to the fraction 7/10. Since it can be written as a fraction, it is rational.
Answer:
Last answer
Step-by-step explanation:
Answer:
<1 = <2 because...
We know that <1 = 90. So <2 = 90 since <1 and <2 form a linear pair.
Step-by-step explanation:
Answer:
D
Step-by-step explanation: