ทำไม sin 30 = 12 #คณิตศาสตร์วันละนิด (เรียบเรียงโดย

Find the approximate value of sin Give that 1° = and cos 30° =

The value of sin 30° is 12 Also, we will learn about other trigonometric functions which are cos, tan, cosec, sec and cot along with derivation of sin

singha888 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

singha88 slot The value of sin 30 degrees is Sin 30 is also written as sin π6, in radians The trigonometric function also called as an angle