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- 1. Fill in the Blank
- 2. Multiple Choice
Select all that are Pythagorean Identities.
sin2(u) + cos2(u) = 1
sin2(u) - cos2(u) = 1
tan2(u) + 1 = sec2(u)
cot2(u) + csc2(u) = 1
cot2(u) + 1 = csc2(u)
- 3. Multiple Choice
Simplify the trig expression.secxcotxsec2xtan2x - 4. Multiple Choice
True
False
- 5. Multiple ChoiceSimplify the trig expression.1-1cotxcosx
- 6. Multiple Choice1/cos x1cot x-1
- 7. Multiple Choicecotθ=cosθ/sinθsinθ/cosθtanθ1/cosθ
- 8. Multiple ChoiceSimplify the trig expression.1-tanx-1tanx
- 9. Multiple Choice*csc2 xcot2 xsin2 xsec2 x
- 10. Multiple ChoiceSimplify the trig expression.tan2x-tan2xcot2xcos2x*sin2x
- 11. Multiple Choicesecθcos²θsin²θsin²θ/cos²θ
- 12. Multiple ChoiceSimplify the trig expression.sinx-sinxcosx2sinx
- 13. Multiple Choicesinθcot²θtan²θcos²θ
- 14. Multiple ChoiceSimplify the trig expression.sinxcosx-sinxcotx
- 15. Multiple Choice-1sin θcsc θ1
- 16. Multiple Choice
Fill in the blank to complete the trigonometric identity/identities.
1 = ____________
- 17. Multiple Choice
Simplify.
csc x
sec x
1/sec x
cos x
- 18. Multiple Choice-(sin²x + cos²x)-11-22
- 19. Multiple Choice
Simplify:
sin 2 θ
cos 2 θ
tan 2 θ
sec 2 θ
- 20. Multiple Choice
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