Answer:
a = π n for n element Z
Step-by-step explanation:
Solve for a:
sec(a) + tan(a) = sec(a) - tan(a)
Subtract sec(a) - tan(a) from both sides:
2 tan(a) = 0
Divide both sides by 2:
tan(a) = 0
Take the inverse tangent of both sides:
Answer: a = π n for n element Z
-10 degrees
75cm²
area of parallelogram= base*height
area=15*5=75cm²
Sana all my jówa haha thanks
300+4x < (9+5)*x
x is number of times Robert goes to the gym
