Use a half-angle identity to find the exact value of cos 15 degrees.
a. √2+√3 /2
b. √2-√3 /2<...
Mathematics, 16.02.2021 20:00 aliyahedwards94
Use a half-angle identity to find the exact value of cos 15 degrees.
a. √2+√3 /2
b. √2-√3 /2
c. √2+ √3
d. √2 - √3
Answers: 2
Mathematics, 21.06.2019 20:00
Which of the following is an equation of a line parallel to the equation y=4x+1?
Answers: 1
Mathematics, 21.06.2019 21:00
Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?
Answers: 2
Mathematics, 21.06.2019 22:00
1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25
Answers: 2
Health, 29.10.2020 22:10
Mathematics, 29.10.2020 22:10
Chemistry, 29.10.2020 22:10
Mathematics, 29.10.2020 22:10
Mathematics, 29.10.2020 22:10
Geography, 29.10.2020 22:10
Geography, 29.10.2020 22:10
History, 29.10.2020 22:10
Mathematics, 29.10.2020 22:10