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Given that tan(t) = 5 12 , and 0 < t < π 2 , complete the steps to find cos(t). Which identity would be best to start with?

Respuesta :

MathPhys

Answer:

12/13

Step-by-step explanation:

Use a Pythagorean identity that has tangent.

tan²(t) + 1 = sec²(t)

(5/12)² + 1 = sec²(t)

25/144 + 1 = sec²(t)

169/144 = sec²(t)

sec(t) = ±13/12

cos(t) = ±12/13

Since 0 < t < π/2, cos(t) > 0.

cos(t) = 12/13

rabbitheadon32

Answer:

1. The second choice wt Tan

2. 13/12

3. The First choice wt Cos

4. 12/13

Step-by-step explanation:

on edge have a great day!

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