# trig pros

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#### Storyboard Text

• Carrie was swimming in a lake when she noticed a big fish near her. From her angle of elevation of 30 degrees, and height of 3 feet, and she knew the tangent was 5, making her 5 feet away.
• 3 ft﻿
• x﻿
• 30﻿
• Tan30=3/x x= 3/tan30 x=5 ft
• Scared of the fish, Carrie decided to get out of the water. But unfortunately she spotted something else scary waiting outside of the water. A lizard, 6 feet away from her. Using cosine, she was able to find the angle of elevation.
• 6 ft
• 5 ft
• CosineX=5/6 x=34
• Sin45=4/x x=4/sin45 x=6
• Turning to the left Carrie saw a bigger problem, an alligator. Knowing her angle of elevation was 45, and that it was 5 feet from the water, Carrie used sin to find how far from her it was.
• 4
• x﻿
• 45
• She was surrounded by scary creatures, so she started to cry.
• After gathering her strength, Carrie ran fast out of the water and left.
• The End
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