QUESTIONS AND ANSWERS GRADED A+ FULL
SOLUTION
◉ coterminal angles. Answer: angles that have the same initial and
terminal sides
◉ how to find coterminal angles. Answer: add and subtract 2π
◉ complentary angles. Answer: Angles that add up to 90 degrees
◉ supplementary angles. Answer: Two angles whose sum is 180
degrees
◉ degrees to radians. Answer: π/180
◉ radians to degrees. Answer: 180/π
◉ linear speed formula. Answer: v=s/t (angluar speed * radius)
◉ Angluar speed formula. Answer: w = 𝜃/t
, ◉ Area of a sector of a circle. Answer: A = r²𝜃 / 2
◉ cos(-t) =
sec(-t) =. Answer: cos(t)
sec(t)
◉ sin(-t) =
csc(-t) =. Answer: -sin(t)
-csc(t)
◉ tan(-t) =
cot(-t) =. Answer: -tan(t)
-cot(t)
◉ sin² 𝜃 + cos² 𝜃 =. Answer: 1
◉ 1 + cot²𝜃 =. Answer: csc²𝜃
◉ tan²𝜃 + 1 =. Answer: sec²𝜃
◉ sin(90- 𝜃) aka sin(π/2 - 𝜃). Answer: cos(𝜃)