Mathematics
Without using trigonometric tables, evaluate the following:
sin 62° - cos 28°
Trigonometrical Ratios
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Answer
Solving,
⇒ sin 62° - cos 28°
⇒ sin (90° - 28°) - cos 28°
⇒ cos 28° - cos 28° [As, sin (90 - θ) = cos θ]
⇒ 0.
Hence, sin 62° - cos 28° = 0.
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