document.write( "Question 919718: Find the exact value of the trigonometric function at the given real number.\r
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\n" ); document.write( "\n" ); document.write( "cot(−π/4)\r
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Algebra.Com's Answer #557907 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( "cos(− π/4)  = cos(π/4) = √2/2
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document.write( " csc(−π/4) = 1/sin(−π/4) = -1/sin(π/4) =  = -√2
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document.write( " cot(−π/4) =  1 /tan(-π/4) =  -1/tan(π/4)  = -1
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document.write( "..............
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document.write( "θ	radians	sin θ	cos θ	tan θ
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document.write( "0°	0	0	1	0
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document.write( "30°	π/6	1/2	√3/2	√3/3
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document.write( "45°	π/4	√2/2	√2/2	1
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document.write( "60°	π/3	√3/2	1/2	√3
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document.write( "90°	π/2	1	0	─
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