If sina is equal to 3by4, calculate cosa and sina

1.	If sina is equal to 3by4, calculate cosa and sina
Answer» align="absmiddle" alt="\huge\tt\orange{Given}\to" class="latex-formula" id="TexFormula1" SRC="https://tex.z-dn.net/?f=%5Chuge%5Ctt%5Corange%7BGiven%7D%5Cto" title="\huge\tt\orange{Given}\to"> If Sina is Equal to $\frac{<klux>3</klux>}{4}$ $\huge\tt\blue{To \: Find}\to$ EQUATION For Sina & Cosa. $\huge\tt\purple{Using \: Formula}\to$ Equation. ━━━━━━━━━━━━━━━━━━━━━━━━━━ Sin A = $\frac{4}{4} \\ \sf \frac{Side \: Opposite \: to \angle A}{Hypotenuse} \implies \frac{3}{4} \\ \implies \frac{BC}{AC}=\frac{3}{4}$ $BC=3x \\ AC=4x$ $\sf\blue{Check \: Image \to 1}$ ━━━━━━━━━━━━━━━━━━━━━━━━━━ ( Hypotenuse )² = ( Hight )² + ( Base )² AC² = AB² + BC² (4x)² = AB² + (3x)² 16x² = AB² + 9x² 16x² – 9x² = AB² 7x² = AB² AB² = 7x² AB = $\sqrt{7x²}$ AB = $\sqrt{7} x$ $\sf\blue{Image \to 2}$ ━━━━━━━━━━━━━━━━━━━━━━━━━━ Last Steps LEARN in Image 3. 3 Images in TOTAL.

Answer»

align="absmiddle" alt="\huge\tt\orange{Given}\to" class="latex-formula" id="TexFormula1" SRC="https://tex.z-dn.net/?f=%5Chuge%5Ctt%5Corange%7BGiven%7D%5Cto" title="\huge\tt\orange{Given}\to"> If Sina is Equal to $\frac{<klux>3</klux>}{4}$