Question

Check all that apply. If csco = 13/12then:

A. tang = 12/5
B. cosy =12/13
C. seco =12/13
D. sino = 12/13

Answer 1

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Answer:

A, D.

Explanation:

If csc θ = 13/12:

Opposite side = 12 units

Hypotenuse = 13 units

Adjacent side = 5 units (solved for using Pythagorean theorem)

Go through each answer choice and check if the value is correct:

A. tan θ = 12/5. Correct. tan θ = O/A, which is 12/5.

B. cos θ = 12/13. Wrong. cos θ = A/H, which should be 5/13.

C. sec θ = 12/13. Wrong. sec θ = H/A, which should be 13/5.

D. sin θ = 12/13. Correct. sin θ= O/H, which is 12/13.