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Suppose cosA = 12/13 with

  1. 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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  2. Suppose cosA = 12/13 with 0º≤A≤90º. Suppose also that sinB = 8/17 with 90º≤B≤180º. Find cos(A - B).
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    2. TeeKay asked by TeeKay
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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
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  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 =
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    2. Raj asked by Raj
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  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
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  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
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  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
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  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
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  9. If 1-cosA=5/13, prove that 25sinA(sinA - cosA)
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    2. Dipankar asked by Dipankar
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  10. Choose the grammatically correct sentence.A. Está cosa es un lápiz amarillo.<<X B. Esta cosa es un lápiz amarillo. C. Esta
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    2. anon asked by anon
    3. views icon 1,200 views