Trigonometry ratio. Evaluate the following and show your workings. A .sin 73 B.cos 47 C. tan 52 D.sin 23
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A. Evaluating sin 73:
To evaluate sin 73, follow these steps:
Step 1: Convert 73 degrees to radians
73 degrees = 73 * (π/180) radians
Step 2: Calculate the value of sin (73 radians)
sin (73 radians) ≈ 0.9563
Answer: A. sin 73 ≈ 0.9563
B. Evaluating cos 47:
To evaluate cos 47, follow these steps:
Step 1: Convert 47 degrees to radians
47 degrees = 47 * (π/180) radians
Step 2: Calculate the value of cos (47 radians)
cos (47 radians) ≈ 0.7314
Answer: B. cos 47 ≈ 0.7314
C. Evaluating tan 52:
To evaluate tan 52, follow these steps:
Step 1: Convert 52 degrees to radians
52 degrees = 52 * (π/180) radians
Step 2: Calculate the value of tan (52 radians)
tan (52 radians) ≈ 1.2799
Answer: C. tan 52 ≈ 1.2799
D. Evaluating sin 23:
To evaluate sin 23, follow these steps:
Step 1: Convert 23 degrees to radians
23 degrees = 23 * (π/180) radians
Step 2: Calculate the value of sin (23 radians)
sin (23 radians) ≈ 0.3907
Answer: D. sin 23 ≈ 0.3907