13.1 notes
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Transcript of 13.1 notes
- 1.
2.
- oppositehypotenuse
-
- leg
-
- adjacent leg
3.
- Sine sin=opposite
- hypotenuse
- Cosine cos=adjacent
- hypotenuse
- Tangent tan=opposite
-
- adjacent
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- SOH CAH - TOA
4.
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- Cosecant csc=hypotenuse
- opposite
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- Secant sec=hypotenuse
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- adjacent
-
- Cotangent cot=adjacent
-
-
-
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- opposite
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-
-
5.
- H
- 24
- 32
- FG
- 40
- sin G =csc G =
- cos G =sec G =
- tan G = cot G =
6.
- csc=1
- sin
- sec=1
- cos
- cot=1
- tan
7.
- In a right triangle, angle A is acute and tan A = 5/3.
- Find the value of the csc A.
- Draw a triangle.
- Label angle A.
- Label the sides.
- Find the missing side.
- Answer the question.
8.
- 30 - 60 -90 45 - 45 -90
- 60
- 2x xx2
- x
- X330
- x
9.
- Use a trigonometric function to find the value of x.
- Round to the nearest tenth if necessary.
- 12
- X
- 60
10.
- Inverse Sine
-
- If sin A = x, then sin -1x = measure of angle A.
- Inverse Cosine
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- If cos A = x, then cos -1x = measure of angle A.
- Inverse Tangent
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- If tan A = x, then tan -1x = measure of angle A.
11.
- B
- 9 17
- CA
- 14.4