Sine-Cosine-Tangent Word Problems

b. Find two different angles that both have a cosine of. 2. Warm-up: How to… To do problem 1(a) using your calculator: Set your calculator to degree mode. Look for either "asin" or "sin-¹" on your calculator. Press this key. (You may have to use the "2nd" key to access it.) Then type “1/2” and press Enter. ................
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