Solve cos²t + cos2t + 1=0.
Statements:
1. The equation 3cos²t = 0 may be used to solve the e...
Mathematics, 28.05.2021 20:10 nyjaelynn
Solve cos²t + cos2t + 1=0.
Statements:
1. The equation 3cos²t = 0 may be used to solve the equation.
2. The equation cos²t + 2cost + 1 = 0 may be used to solve the equation.
3. t = π/2 + πk, where k = 0, ±1, ±2, ±3.
4. t = π + 2πk, where k = 0, ±1, ±2, ±3.
a. 1 & 3 only.
b. 2 & 4 only.
c. 2 & 3 & 4 only
d. All statements are correct.
Answers: 1
Mathematics, 20.06.2019 18:04, sighgabbie
Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a. heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular
Answers: 1
Mathematics, 21.06.2019 18:30, avahrhey24
Sketch one cycle if the cosine function y=2cos2theta
Answers: 1
Mathematics, 21.06.2019 21:00, recon12759
Is there an x intercept in the equation 60*1.15^x
Answers: 3
Mathematics, 21.10.2020 20:01
Mathematics, 21.10.2020 20:01
Mathematics, 21.10.2020 20:01
Mathematics, 21.10.2020 20:01
Mathematics, 21.10.2020 20:01