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Mpost1994

  • 3 years ago

Which of the following equations are identities? cot x = cosx/sinx tanx = 1/cot x cscx = 1/cos x cscx = 1/sec x

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  1. Mpost1994
    • 3 years ago
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    @Coolsector

  2. Mpost1994
    • 3 years ago
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    more than one answer as well

  3. zugzwang
    • 3 years ago
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    @NewbieCarrot ??? There is no C, and the third one is not an identity...

  4. Mpost1994
    • 3 years ago
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    i didnt think so ._.

  5. zugzwang
    • 3 years ago
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    Have you found the answer yet?

  6. zugzwang
    • 3 years ago
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    What I used to do was express everything in terms of sine and cosine.

  7. UsukiDoll
    • 3 years ago
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    identities or trigonometric identities?

  8. Mpost1994
    • 3 years ago
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    no ._. and what? it can be as many as apply its not just one

  9. UsukiDoll
    • 3 years ago
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    @Mpost1994 I agree with you on this one. there's more than one answer

  10. NewbieCarrot
    • 3 years ago
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    I believe C is the trig identity.

  11. Mpost1994
    • 3 years ago
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    newbie..you don't know what you are talking about do you ._.

  12. nubeer
    • 3 years ago
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    i think 1st and 2nd one are right.

  13. nubeer
    • 3 years ago
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    C is wrong. cscx = 1/sinx

  14. NewbieCarrot
    • 3 years ago
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    Sorry I messed up.

  15. Mpost1994
    • 3 years ago
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    4?

  16. Decart
    • 3 years ago
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    |dw:1350204471178:dw|

  17. Decart
    • 3 years ago
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    an identity is when the equation is exactly the same on both sides

  18. Mpost1994
    • 3 years ago
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    and uh....is 4 one? ...cru its 4 am ..whatsthe answers ._.

  19. Decart
    • 3 years ago
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    if you look at the drawing i put cos over sin and that is cot

  20. Decart
    • 3 years ago
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    Function Abbreviation Description Identities (using radians) Sine sin opposite / hypotenuse Cosine cos adjacent / hypotenuse Tangent tan (or tg) opposite / adjacent Cotangent cot (or cotan or cotg or ctg or ctn) adjacent / opposite Secant sec hypotenuse / adjacent Cosecant csc (or cosec) hypotenuse / opposite Function Abbreviation Description Identities (using radians) Sine sin opposite / hypotenuse Cosine cos adjacent / hypotenuse Tangent tan (or tg) opposite / adjacent Cotangent cot (or cotan or cotg or ctg or ctn) adjacent / opposite Secant sec hypotenuse / adjacent Cosecant csc (or cosec) hypotenuse / opposite

  21. Mpost1994
    • 3 years ago
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    too tired to think ....guessed at 1 2 and 4 ...its just 1 and 2 ...thnx night.. smh

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