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Find the exact values of cos (3pi/4radians) and sin (3pi/4 Radians)
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Jan 2, 2019
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Find the exact values of cos (3pi/4radians) and sin (3pi/4 Radians)
Mathematics
high-school
Darnell
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Darnell
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If you are doing on apex the answer is √2/2
Luis Ascorbe
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Jan 3, 2019
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Luis Ascorbe
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cos (3π/4) can be written as,
cos (π-π/4) = -cosπ/4 = -1/√2
similarly sin3π/4=sin(π-π/4) = sin π/4 = 1/√2
Whd
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Jan 6, 2019
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