สงสัยเกี่ยวกับค่า sin cos tan ของ 30 45 60
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cos 60 cos espaço alfa igual a numerador c a t e t o espaço a d j a c e n t e sobre denominador h i p o t e n u s a fim da fração 60° Seno, 12, √22, √32
It is equal to sin60 = √32 cosina world Therefore, the value of sin 60° + cos 90° + sec 45° is 2√2
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