1.) use a calculator and find to 4 decimal places the value of the trigonometric function using the given identity.
2u = 14°, cos 2u = cos ^2 u - sin ^2 u
a.) 0.9992
b.) 0.0972
c.) 0.9927
d.) 0.9703
e.) 0.9729

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

answer: rolling a number cube and flipping a coin.

step-by-step explanation: