If x sin 45° cos 45° tan 60°= tan² 45° - cos 60°, then let us determine the value of x.

6

Let us show that,

6

Let us show that,

7

If then let us determine the value of x.

7

If x² = sin² 30° + 4 cot² 45° - sec² 60°, then let us determine the value of x.