document.write( "Question 1116153: cos(4θ)=0 \n" ); document.write( "

Algebra.Com's Answer #730982 by ikleyn(52910) $\"\"$ $\"About$

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document.write( "cos(4t) = 0 =====>\r\n" );
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document.write( "4t = ,  where k is any integer  k = 0, +/-1, +/-2, . . .  ====>\r\n" );
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document.write( "t = ,  where k is any integer  k = 0, +/-1, +/-2, . . . .\r\n" );
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document.write( "Answer.  The given equation has infinitely many solutions  t =  + ,  where k is any integer  k = 0, +/-1, +/-2, . . . .\r\n" );
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