sin 30

sin 30   Dan singha 678

Geometric Derivation of Sin 30 Degree We know that, All angles in an equilateral triangle are 60 degrees Now draw a perpendicular line AD from A to BC as

A very simple and easy way to remember the values of sin 60, sin 30, sin 45 etc that you will not forget ever is by using taking square roots of 04, 1 4, sin 30 ) + ( -w 2 COS 30 ° = 0 FT = COS 30 ° ° W sin 30 ° = cot 30 ° w FT N3w = ตอบ ข้อ FNI L PIC 2 sin 30 ° cg F W y 0 30 ° + 1 X X 2 Ē N2 2 COS 30

umay plus ใกล้ฉัน ทำไม sin 30 = 12 #คณิตศาสตร์วันละนิด Find the value of the expression given below,$sin 30{}^circ cos 60{}^circ +sin 60{}^circ cos 30{}^circ $ $dfrac{1}{2}$