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Answer 1

$\huge{\underline{\underline{\mathrm{\red{AnswEr}}}}}$

Sin1 +Sin2 + Sin3 =3

The maximum value of sin(x) is 1. The value of 3 can only be obtained if all the sin angle takes the value of 1.

So, Sin1 = Sin2 = Sin3 = 1

We can conclude that

1 ~ 2 ~ 3 ~ 90°

$\huge \pink {-~>}$So, cos1 + Cos2 + cos3 = cos90° + Cos90° + cos90°= 0 + 0 + 0 = 0

hope it was helpful if not than report.

hi charu

HRU

Answer 2

Answer:

heyy armyy

anneyong

how u doing can we friend