Question

Evaluate
cos? (45° +0) + cos? (45° - 0)
2 + (cot 30° + sin 909) X (tan 60° - sec 09
tan(60° + 0) x tan(30° - 0)

pls don't cut and paste from Google. Ans it fast and fast. with better explanation.​

Answer 1

1- cos45 + cos45

hope this will help you