Question : The value of $(\cos 53° – \sin 37°)$ is:
Option 1: $0$
Option 2: $1$
Option 3: $2 \sin 37°$
Option 4: $2 \cos 53°$
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Correct Answer: $0$
Solution : Given: $(\cos 53° – \sin 37°)$ $= \cos (90°– 37°) – \sin 37°$ $= \sin 37°– \sin 37°$ $= 0$ Hence, the correct answer is 0.
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