If tan x = 1, evaluate sin x + cos x, leaving your answer...
If tan x = 1, evaluate sin x + cos x, leaving your answer in the surd form
2√2
12√2
√2
2
Correct answer is C
tan x = 1; x = tan-1(10 = 45o
sin x + cos x
= sin 45o + cos 45o
= √22+√22
= √2+√22
= 2√22
= √2
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