Mathematics · Trigonometry
The value of sin(70°) − 2sin3(70°)2cos3(70°) − cos(70°) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cot 70°
- 2tan 70°✓
- 3cosec 70°
- 4sec 70°
Correct answer
tan 70°
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