A ladder that is 25 feet long is leaning against a pillar. The vertical height from the base of the pillar to the top of the ladder is 24 feet. Which expressions represent the angle, θ, that the bottom of the ladder makes with the ground?
a. sin⁻¹ ( 7/25 )
b. tan⁻¹ ( 24/7 )
c. cos⁻¹ ( 7/25 )
d. cos⁻¹ ( 24/25 )
e. tan⁻¹ ( 24/25 )
f. sin⁻¹ ( 24/25 )
