sin^(-1)(sin frac{7 pi}{4}) = ?...

`sin^(-1)(sin frac{7 pi}{4}) = ?`

sin^(-1)(sin frac{7 pi}{4}) = ?
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show that sin (2 (pi) / (7)) + sin (4 (pi) / (7)) + sin (8 (pi) / (7))...
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How to evalvate (sin (3 pi)) / (7) (cos (4 pi)) / (7)) / (sin pi) / (7...
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sin^(4)frac(pi)(8) + sin^(4) frac(2pi)8 + sin^(4) frac(3pi)8+sin^(4) f...
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sin(pi)/(4)*sin(3 pi)/(4)*sin(5 pi)/(4)*sin(7 pi)/(4)=
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(sin((2 pi)/(7))+sin((4 pi)/(7)) -sin((6 pi)/(7)))/(sin((pi)/(7))sin((...
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দেখাও যে, sin ""(2 pi)/7+sin ""(4 pi)/7-sin ""(6 pi)/7= 4 sin ""pi/7 s...
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sin (frac {pi}{3} - sin^-1 (-frac{1}{2})) is equal to:
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Prove that : sin^-1 frac{5}{13} + sin^-1 frac{7}{25}= cos^-1 frac{253}...
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