\left(\frac{3}{5}\right)^2 + \cos^2 \theta = 1 \implies \frac{9}{25} + \cos^2 \theta = 1 \implies \cos^2 \theta = 1 - \frac{9}{25} = \frac{16}{25}

Fri, 01 May 2026 00:10:48 +0000

Content under review