Find the Value of Given Trigonometric Function $\cos ( - 1.6 )$

question 289

Multiple Choice

Find the value of given trigonometric function.Round your answer to four decimal places. $\cos ( - 1.6 )$

• A) \(\cos ( - 1.6 ) \approx 0.1708\)
• B) \(\cos ( - 1.6 ) \approx 0.0708\)
• C) \(\cos ( - 1.6 ) \approx 0.0292\)
• D) \(\cos ( - 1.6 ) \approx - 0.0292\)
• E) \(\cos ( - 1.6 ) \approx - 0.1292\)

---

Definitions:

Yeasts

Yeasts are single-celled fungi that are widely used in food production, especially in baking and brewing, due to their ability to ferment.

Chemoautotroph

An organism that derives its energy from chemicals and synthesizes its own organic compounds from carbon dioxide.

Mutualism

In ecology, a symbiotic relationship in which both partners benefit from the association. Compare with parasitism and commensalism.

Photoautotroph

An organism that obtains energy from light and synthesizes organic compounds from inorganic raw materials; includes plants, algae, and some bacteria. Compare with photoheterotroph, chemoautotroph, and chemoheterotroph.