Answer:
H
Explanation:
using the trigonometric identity
• sin²x + cos²x = 1
⇒ sinx = √(1 - cos²x) and cosx = √(1 - sin²x)
We can express as
+ cosx / cosx = 1 + 1 = 2 → H
2
√(1 - cos^2x) = sin x
and
√(1 - sin^2x) = cos x
So the expression becomes:
sin x / sin x + cos x / cos x
= 2
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