Sin x + cos x equal to root 2 sin x then tan x equal to what
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hey mate,
given that,
sinx + cosx = √2
we know,
sin²x + cos²x = 1
⇒ (sinx + cosx)² - 2sinxcosx = 1
⇒ (√2) - sin(2x) = 1 [ ∵ 2sin∅cos∅ = sin2∅ ]
⇒ 2 - sin(2x) = 1
⇒ sin(2x) = 1
⇒ sin(2x) = sin90°
⇒ 2x = 90°
⇒ x = 45°
∴ tanx = tan45°
= 1
if it helps you plz mark as brainliest.
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