I need the Answers to this giving brainliest to the person who does not send me a unknown link and actually does the work

I need the Answers to this giving brainliest to the person who does not send me a unknown link and actually does the work class=

Respuesta :

which question do you need to be answered? do you want all of them?

Answer: Look below!

Step-by-step explanation:You can use the Calc below in the pictures

1. √2/2

2. -√2/2

Proof it works!

Ver imagen scoobydoo91206
Ver imagen scoobydoo91206