Question

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Answer 1

Answer:

angle C is 45 degree

sin45 = 1/root2

cos 45= 1/root 2

tan 45 = 1

cot 45= 1

cosec 45=root2

sec 45 = root 2

Answer 2

Answer:

$\sin(C) = \frac{AB}{AC}$

$\cos(C) = \frac{BC}{AC}$

$\tan(C) = \frac{ \sin(C) }{ \cos(C) } = \frac{ \frac{AB}{AC} }{ \frac{BC}{AC} } = \frac{AB}{BC}$

$\cot(C) = \frac{1}{ \tan(C) } = \frac{1}{ \frac{AB}{BC} } = \frac{BC}{AB}$

$\sec(C) = \frac{1}{ \cos(C) } = \frac{1}{ \frac{BC}{AC} } = \frac{AC}{BC}$

$\csc(C) = \frac{1}{ \sin(C) } = \frac{1}{ \frac{AB}{AC} } = \frac{AC}{AB}$

Step-by-step explanation:

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