Answer to Question #57978 in Trigonometry for Pete

Question

The legs of a right triangle measure 5 inches and 7 units. If θ is the angle between the 5-inch leg and the hypotenuse, cos θ = _____

A: 0.71
B: 0.07
C: 0.58
D: 0.81

If cos θ = -2/3, which of the following are possible?

Choose all correct answers.

Sinθ = -√5/3 and tanθ = √5/2

sinθ = √5/3 and tanθ = √5/2

cscθ = 3/√5 and tanθ = -√5/2

cscθ = -3/2 and tanθ = √5/2