Find the value of $\theta$θ if $\cos\theta=\frac{1}{\sqrt{2}}$cosθ=1√2, given that $0^\circ\le\theta\le90^\circ$0°≤θ≤90°.

Find the value of $\theta$θ if $\tan\theta=\sqrt{3}$tanθ=√3, given that $0^\circ\le\theta\le90^\circ$0°≤θ≤90°.

Find the value of $\theta$θ if $\sin\theta=\frac{\sqrt{3}}{2}$sinθ=√32, given that $0^\circ\le\theta\le90^\circ$0°≤θ≤90°.

Find the value of $\theta$θ if $\tan\theta=\frac{1}{\sqrt{3}}$tanθ=1√3, given that $0^\circ\le\theta\le90^\circ$0°≤θ≤90°.

Determine the measures of the sides and angles in right triangles, using the primary trigonometric ratios and the Pythagorean theorem