Sin 30 Formula with Solved Example

จงหาค่าของ sin 30 cOs 30 cot 30 1งห จง 2 จงหาค่าของ bigcirc cosec 60 sec 60 = cot 60 3 จงหาค่า tan 30 sec30 + 3sin2 45

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singha285 Sin 30 degrees is a trigonometric ratio that lies on positive x-axis so value of Sin 30 degrees will always be positive Value of Sin 30

singha 999 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