Question

Find the exact value of each expression if 0° < θ < 90°

Answer 1

The values of the trigonometry will be:

If cosθ = 5/13, sin θ = 12 / 13.

If cosθ = 4, sec θ = 1/4.

How to illustrate the information?

Adjacent = 5

Opposite = 12

Hypothenuse = 13

It should be noted that cosθ = 5/13. This implies that adjacent / hypothenuse = 5/13.

The sin θ will be:

= Opposite / Hypothenuse

= 12 / 13

When cosθ = 4, sec θ will be the reciprocal. This will be = 1/4.

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