Seudónimo Seudónimo
  • 03-02-2020
  • Mathematics
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Use the relationship between the sine and cosine and function to fill in each blank.

4. sin 12° = cos__

Use the relationship between the sine and cosine and function to fill in each blank 4 sin 12 cos class=

Respuesta :

gsarli gsarli
  • 03-02-2020

Answer:

sin 12° = cos 78°

Step-by-step explanation:

You need to use the trigonometric ratios which states that:

sin α = cos (90° - α)

sin 12° = cos (90°-12°)

sin 12° = cos 78°

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