Step-by-step explanation: [tex]tan \: 45 = 1 \\ {sin}^{2}45 = {cos}^{2}45 =( { \frac{1}{ \sqrt[]{2} } })^{2} = \frac{1}{2} \\ [/tex] [tex]1 – \frac{1}{2} + \frac{1}{2} = 1 + 0 = 1[/tex] Reply
Step-by-step explanation:
[tex]tan \: 45 = 1 \\ {sin}^{2}45 = {cos}^{2}45 =( { \frac{1}{ \sqrt[]{2} } })^{2} = \frac{1}{2} \\ [/tex]
[tex]1 – \frac{1}{2} + \frac{1}{2} = 1 + 0 = 1[/tex]