i know its the frist or second one i did the test i am also in flvs :)
I don’t think it has any real solutions
Answer:
The answer is D. Literally just took that test lol
Answer:
1 + sin2x
Step-by-step explanation:
Given
(sinx + cosx)² ← expand using FOIL
= sin²x + 2sinxcosx + cos²x
[ sin²x + cos²x = 1 and sin2x = 2sinxcosx ]
= 1 + sin2x
I honestly don’t know this answer sorry