Nilai tan 225°-sin 60°xcos 330°=

Tan 225 -sin 60 x cos 300 = 1.75

=[tex]tan {45}^{0} - \sin(60) \times \cos(30) [/tex]
=[tex]1 - \frac{1}{2} \sqrt{3} \times \frac{1}{2} \sqrt{3} [/tex]
=1 - 3/4
=4/4 - 3/4
=1/4