Exact value of pi over 2 July 8, 2019 16 32 64 128 Exact value of pi 2 Exact value of sin pi over 2 Exact value of cos pi over 2 Exact value of tan pi over 2 Exact value of sec pi over 2 Exact value of tan 3 pi over 2 Exact value of sin 3 pi over 2 Exact value of cos 2 pi over 3
