Find the value of the expression given below,$sin 30{}^circ cos

ทำไม sin 30 = 12 - อาจวรงค์ ป๋องแป๋ง จันทมาศ sin 30

ทำไม sine 30 ํ = 12 อาจวรงค์ จันทมาศ•34K views · 24:40 Go to channel

singha89 The product of sin 30 and sin 60 is same as the product of cos 60 degrees tan 30 degrees and cos 30 degrees tan 60 degrees The product of sin 30 and sin 60 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 Sin30°= 12 , Values of Sin 0° , Sin30° , Sin45° ,Sin60° ,Sin90° may be kept in mind by undernoted way Sin0° = √0√4 =0 =Cos 90°

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