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answers.com: Is sin3A plus sinA equal to 0 - Answers

No, for example if A = Pi/3. Then sin3A = sin pi = 0, but sinA = sin Pi/3 = So for A = Pi/3, the sum is 1/2, not zero. It can't be proved because the...

sinA sin - Yahoo Answers

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cos^4A= cos^2A + (cos^2A)^2=sinA+sin^2A=1.

secA-tanA = K, then sinA = ? sin x + sin y = a ; cos x + cos y = b, t...

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manner. Its not clear what you wnat us to solve, and what does 15 at the end of ...

If sinA+sin^2A+sin^3A=1, prove that cos^6A-4cos^4A+8cos^2A=

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If sinA+sin^2A+sin^3A=1, prove that cos^6A-4cos^4A+8cos^2A=4 Hello student, Please find the answer to your question below sinA + sin^2A + sin^3A = 1 sinA + sin

if sinA +sin^2 A = 1 then prove that cos ^8 A + 2cos^6 A + cos ^4 A=1...

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if sinA +sin^2 A = 1 then prove that cos ^8 A + 2cos^6 A + cos ^4 A=1We can also prove that cos^8A + 2 cos^6A + cos^4A - 1 = 0 Hence sinA+sin^2A=1 =>sinA=1-sin^