I got 665 but I was typing pretty fast so sorry if it’s not right. That is if you mean add every number together like 1+2+3+4.....
4 and 5
hope this helped in some way..
Answer:
4th option
Step-by-step explanation:
given
sinΘ =
and cosΘ =
, then
(
)² + (
)²
=
+ 
= 
=
= 1
showing sin²Θ + cos²Θ = 1