Mathematics, 09.03.2021 17:40 antcobra
Trigonometry (don’t understand )
A point on the terminal side of angle θ is given. Find the exact value of all 6 trigonometric function of θ.
1. (-8,15) 2. (2,5)
Find the exact value of the trig function of the given angle, or state that the expression is undefined.
3. Sin 90° 4. Cos 180°
5. Tan 180° 6. Sin 0
7. Sec 270
Let θ be an angle in standard position. Name the quadrant in which θ lies.
8. Sinθ<0, tanθ>0 9. Cosθ>0, sinθ<0
Find the exact value of the remaining trigonometric functions of θ.
10. cosθ= -3/5, θ in quadrant III
11. Sinθ= 5/13, θ in quadrant II
12. Tanθ= 1/6, θ in quadrant III
13. Secθ= 13/12, θ in quadrant I
Find the reference angle for each angle
12. 163° 13. 266° 14. 297°
Use the reference angle (and special angles) to find exact value of each expression. You should not need a calculator.
15. Cos 135 ° 16. Tan 240 °
17. Cot 150 ° 18. Sin 300
19. Cos 210
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