SOLUTION: what is the approximate value of Φ, if cos Φ=7/9 a. 38 degrees b. 52 degrees c. 74 degrees d. 16 degrees e. 63 degrees

Algebra.Com
Question 1170277: what is the approximate value of Φ, if cos Φ=7/9
a. 38 degrees
b. 52 degrees
c. 74 degrees
d. 16 degrees
e. 63 degrees

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Φ=°

the approximate value of Φ:
a. degrees

RELATED QUESTIONS

If AB || CD: 6. What is the measure of angle 3 in degrees if angle 1 = 125 degrees? (answered by Alan3354)
Which is a value of x if sin (60 degrees)=cos(x+10)degrees? a) 60 degrees b) 20 degrees (answered by lwsshak3)
What is the value of arctan (-√3)? a. 60 degrees b. 90 degrees c.-60 degrees d. 0 (answered by Boreal)
What is the value of arctan(-√3)? a. 60 degrees b. 90 degrees c. -60 degrees d. 0 (answered by MathLover1)
4.) If sin(2theta + 18) = cos(5theta - 12), which of the follwoing pairs of angles are... (answered by stanbon)
The positive x-axis of a unit circle and a ray from the origin of the unit circle to a... (answered by Alan3354)
If the ratios between the adjacent angles of a pentagon are 3:4:5:6:7, what is the size... (answered by edjones)
Solve the equation sin^2x = 3cos^2x. The value of x that satisfies the equation if x... (answered by htmentor)
Use the CAST rule to state the sign of each value. Check using calculator. (a) tan 15... (answered by MathLover1)