Answer:
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Step-by-step explanation:
transferring the constant
making the coefficient of x^2 to be 1
then add the square of half the coefficient of x
take the square root of both sides
Cot x = cos x / sin x
cot π/4 = cot 45° = cos 45° / sin 45°
We know that sin 45° and sin 45° have the same value:
cos 45° = sin 45° = √2 / 2;
cos 45° / sin 45° = √2/2 : √2/2 = 1
Answer:
cot π/4 = 1
180
This is because 12x5x3 = 180
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