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CosA*Cos17=1 then determine A

  1. CosA*Cos17=1 then determine A
    1. answers icon 1 answer
    2. kunal asked by kunal
    3. views icon 363 views
  2. I need to prove that the following is true. Thanks.csc^2(A/2)=2secA/secA-1 Right Side=(2/cosA)/(1/cosA - 1) =
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    2. Dirk asked by Dirk
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  3. Prove that [sinA/(1-cosA)-(1-cosA)/sinA]*[cosA/(1+sinA)+(1+sinA)/cosA]=4cosecAI the second part as 2 secA
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    2. Agastya asked by Agastya
    3. views icon 733 views
  4. Given that sinA=2/5 and that A is obtuse,find the value of cosA.👍 0 👎 0 👁 25 asked by Raj yesterday at 4:18am sinA =
    1. answers icon 1 answer
    2. Raj asked by Raj
    3. views icon 1,206 views
  5. Hi, can someone give me the answer to this question:secA-tanA=1/4. Find cosA I got: CosA=4(1-sinA) Is my answer good? Now
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    2. Shym asked by Shym
    3. views icon 925 views
  6. Let P=(cosA sinA)(sinA cosA) Q=(cosB sinA) (sinB cosA) show that PQ=(cosA(A-B) sin(A B)) (sinA(A B) cos(A-B))
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    2. James asked by James
    3. views icon 715 views
  7. Hello I am having trouble with proving this:sinA/secA+secA/cscA = tan(A)(2-sin^2(A)) So far I've gotten SinA/(1/cosA) +
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    2. Jimbo asked by Jimbo
    3. views icon 798 views
  8. Can someone please check my work?Answer the following questions in a complete sentence. 1. ¿Qué es la primera cosa que haces
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    2. Larry asked by Larry
    3. views icon 1,635 views
  9. Evaluate for the quadrantal angle cos17(pie)? ( don't have the pie sign)Is -1 correct?
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    2. Anonymous asked by Anonymous
    3. views icon 466 views
  10. If 1-cosA=5/13, prove that 25sinA(sinA - cosA)
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    2. Dipankar asked by Dipankar
    3. views icon 480 views