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Trigonometry WS2 Chapter 5C, D & E

| |Using your calculator, determine the following, correct to 4 decimal | | |

| |places: | | |

| | | | |

| |tan(72°) | | |

| |cos(13°22') | | |

| |Find the angle for each of the following in degrees, minutes and | | |

| |seconds: | | |

| | | | |

| |sin(() = 0.934 | | |

| | | | |

| | | | |

| | | | |

| | | | |

| |tan(() = 0.1 | | |

| | | | |

| | | | |

| | | | |

| |Find the value for each of the following, correct to 1 decimal place: | | |

| | | | |

| |45 cos(57°) | | |

| | | | |

| | | | |

| | | | |

| |[pic] | | |

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| | | | |

| |Find the length of the side a in the figure below. | | |

| |[pic] | | |

| | | | |

| |Find the size of the angle b in the figure below. | | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

| | | | |

| |Find the length of the side c in the figure below. | | |

| | | | |

| |[pic] | | |

| | | | |

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| |Find the length of the side d in the figure below. | | |

| |[pic] | | |

| | | | |

| |Find the size of the angle e in the figure below. | | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

| | | | |

| | | | |

| | | | |

| |Find the length of side f in the figure below. | | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

| |Find the size of the angle g in the figure below. | | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

Trigonometry WS2 Chapter 5C, D & E

|1. |Using your calculator, determine the following, correct to 4 decimal | | |

| |places: | | |

| | |tan(72°) = 3.0777 | |

| |tan(72°) |cos(13°22') = 0.9729 | |

| |cos(13°22') | | |

|2. |Find the angle for each of the following in degrees, minutes and | | |

| |seconds: | | |

| | | | |

| |sin(() = 0.934 |[pic] | |

| | | | |

| | |[pic] | |

| | | | |

| | | | |

| |tan(() = 0.1 | | |

| | | | |

| | | | |

| | | | |

|3. |Find the value for each of the following, correct to 1 decimal place: | | |

| | | | |

| |45 cos(57°) |[pic] | |

| | | | |

| | | | |

| | | | |

| |[pic] |[pic] | |

| | | | |

| | | | |

|4. |Find the length of the side a in the figure below. |[pic] | |

| |[pic] | | |

| | | | |

|5. |Find the size of the angle b in the figure below. |[pic] | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

| | | | |

|6. |Find the length of the side c in the figure below. |[pic] | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

| | | | |

|7. |Find the length of the side d in the figure below. | [pic] | |

| |[pic] | | |

| | | | |

|8. |Find the size of the angle e in the figure below. |[pic] | |

| | | | |

| |[pic] | | |

|9. |Find the length of side f in the figure below. |[pic] | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

|10. |Find the size of the angle g in the figure below. |[pic] | |

| | | | |

| |[pic] | | |

| | | | |

| | | | |

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