Question : The value of which of the following is different from the other options?
Option 1: sin 90°
Option 2: sec 60°
Option 3: cos 0°
Option 4: tan 45°
Correct Answer: sec 60°
Solution :
The value of trigonometric ratios sin 90° = cos 0° = tan 45° = 1.
The value of the trigonometric ratio sec 60° is 2.
So, it is different from other options.
Hence, the correct answer is sec 60°.
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