Prove this Cot²(90-theta) /tan² theta-1

  1. Prove thisCot²(90-theta) /tan² theta-1 + cosec²theta/sec²theta-cosec²theta= 1/sin²theta - cos²theta
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    2. Akash asked by Akash
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  2. 1. Establish the identity:sin(theta+3pi/2)=-cos(theta) 2. Find the exact value of 2(theta) if sin(theta)=5/13 3. Show that:
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    2. Brittany asked by Brittany
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  3. I am having problems with proving identities that has a number and an exponent with it.Like: *2cosxcsc2x = cscx *sin^2 2x =
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    2. Jam asked by Jam
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  4. Solve the following trigonometry identities.a) 1-cos2(theta) = sin(theta)cos(theta)/cot(theta) b)
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    2. Zoë asked by Zoë
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  5. Multiple Choice (theta) means the symbol 0 with the dash in it.1.)Which expression is equivalent to
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    2. HotMath asked by HotMath
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  6. Multiple ChoiceWhich expression is NOT equivalent to 1? (theta) means 0 with dash in it. A.)sin^2 (theta)+cot^2 (theta) sin^2
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    2. HotMath asked by HotMath
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  7. Suppose that \Theta takes values in [0,1] and its PDF is of the formf_{\Theta }(\theta )= a\theta (1-\theta )^2,\ \ \
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  8. Prove the following identities:1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta
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    2. Fern Angel asked by Fern Angel
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  9. Prove the following identities:1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta
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    2. Fern Angel asked by Fern Angel
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  10. Justin wants to evaluate 3cot(-5pi/4). Which of the following identities can he use to help him? Select two answers.cot(-theta)
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    2. Max asked by Max
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