Buktikan identitas-identitas trigonometru berikut A.sin B+cos B×cot B=csc B

By Admin ReiPosted on December 8, 2022

Buktikan identitas-identitas trigonometru berikut
A.sin B+cos B×cot B=csc B

Penjelasan dengan langkah-langkah:

$sinb + cosb.cotb \ = sinb + cosb. frac{cosb}{sinb} \ = frac{sinb.sinb}{sinb} + frac{ {cos}^{2} b}{sinb} \ = frac{ {sin}^{2} b + {cos}^{2} b}{sinb} \ = frac{1}{sinb} \ = cscb$