What is the value of cos(((3pi))/2) ?

The value of cos(((3pi))/2) is 0

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Find the Exact Value cos((3pi)/2)

cos (\frac{( 3 π )}{2})

0

Solution steps

cos (\frac{( 3 π )}{2})

= cos (\frac{3 π}{2})

Rewrite using trig identities:

cos (π) cos (\frac{π}{2}) - sin (π) sin (\frac{π}{2})

= cos (π) cos (\frac{π}{2}) - sin (π) sin (\frac{π}{2})

Use the following trivial identity:

cos (π) = (- 1)

Use the following trivial identity:

cos (\frac{π}{2}) = 0

Use the following trivial identity:

sin (π) = 0

Use the following trivial identity:

sin (\frac{π}{2}) = 1

= (- 1) \cdot 0 - 0 \cdot 1

Simplify

= 0

\frac{50}{( tan ( 5 3 ^{\circ} ) )}

sin (\frac{( 3 π )}{4})

x, cos (x) = \frac{( 3 )}{2}

sec (x) = \frac{1}{( cos ( x ) )}

tan (0^{\circ})