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# How do I find the exact value of sin(cos^-1(3/4)-tan^-1(1/2))?

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• How do I find the exact value of sin(cos^-1(3/4)-tan^-1(1/2))?

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How do I find the exact value of cos 4pi/3? ... The answer is equal to -1/2. ... If Ron has 30 acres of grazing land and each cow requires 3/4 of an acre, ...
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Positive: 65 %
... Find the exact value, ... =√(3/4)=√3/2.. Use sin addition formulas: sin(A-B) ... Then we need to find cos(B) based on sin(B) = -1/2
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Positive: 62 %

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Trigonometry Notes: The Unit Circle ... = 1/2. In Part D we'll find the exact value of cos ... In Part E we'll find the exact value of sin ...
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... (1/2) sin(60 ) = cos(30 ) = sqrt(3/4 ... In Trig functions of special angles, part 2 I had hoped to find an arithmetic ... Summary of exact values of ...
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Find the exact value of cos^2(15 ... (√3/2) + (√2/2)(1/2) = (√6 + √2)/4 now do the same for cos75 ... Math - Find the exact value of cos 1 degree ...
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Positive: 23 %

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