(i) cos^(-1)(cos((9pi)/8))...

(i) `cos^(-1)(cos((9pi)/8))`

(i) cos^(-1)(cos((9pi)/8))
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Find the value of the following inverse trigonometric expression: co...
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सिद्ध कीजिए कि cos^(-1)""{(1)/(sqrt(2))(cos""(9pi)/(10)-sin""(9pi)/(10...
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सिद्ध कीजिए की ( 1+cos ""(pi)/(10) )( 1+cos ""(3pi)/( 10)) (1+cos ""(...
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The principal solution of cos^(-1)(cos((9pi)/4)) is
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The expression 2"cos"(pi)/(17)*"cos"(9pi)/(17)+"cos"(7pi)/(17)+"cos"(9...
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Prove that (1+cos""pi/10)(1+cos""(3pi)/10)(1+cos""(7pi)/10)(1+cos""(9p...
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প্রমাণ করো : (1+cos((pi)/10))*(1+cos((3pi)/10))*(1+cos((7pi)/10))*(1+c...
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The principal value of cos^(-1) {1/sqrt2 ("cos"(9pi)/10 - "sin"(9pi)/1...
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