Solve cosfrac{2sqrt{2}}{sqrt{18}}*frac{sqrt{18}}{sqrt{18}}=frac{2sqrt{36}}{18}=

$$\cos \frac { 2 \sqrt { 2 } } { \sqrt { 18 } } \times \frac { \sqrt { 18 } } { \sqrt { 18 } } = \frac { 2 \sqrt { 36 } } { 18 } =$$

Verify

Solution Steps

Evaluate trigonometric functions in the problem

$$0.9999323080037622 = \frac{2 \sqrt{36}}{18}$$

Multiply both sides of the equation by 18.

$$17.9987815440677196=2\sqrt{36}$$

Calculate the square root of 36 and get 6.

$$17.9987815440677196=2\times 6$$

Multiply 2 and 6 to get 12.

$$17.9987815440677196=12$$

Compare 17.9987815440677196 and 12.

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