1. Consider the isosceles right-triangle with the congruent side = 1. Each acute angle is 45°. Calculate the values below using this triangle. Do not use a calculator. Keep the values as radicals with rational denominators. (a) Hypotenuse of the triangle = (b) sin(45°) = (c) cos(45°) = (d) tan(45°) = 45° ✓ 1 45° 1 ✓ Memorizing these trigonometric values will help build a good mathematical foundation.

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Chapter1: Units, Trigonometry. And Vectors
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1. Consider the isosceles right-triangle with the congruent side = 1. Each acute angle is 45°.
Calculate the values below using this triangle. Do not use a calculator. Keep the values as
radicals with rational denominators.
(a) Hypotenuse of the triangle =
(b) sin(45°) =
(c) cos(45°) =
(d) tan(45°) = |
45°
✓
1
45%
1
✓
Memorizing these trigonometric values will help build a good mathematical
foundation.
Transcribed Image Text:1. Consider the isosceles right-triangle with the congruent side = 1. Each acute angle is 45°. Calculate the values below using this triangle. Do not use a calculator. Keep the values as radicals with rational denominators. (a) Hypotenuse of the triangle = (b) sin(45°) = (c) cos(45°) = (d) tan(45°) = | 45° ✓ 1 45% 1 ✓ Memorizing these trigonometric values will help build a good mathematical foundation.
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