Mathematics · Trigonometry
If sin(a + b) = 1 and cos(a - b) = 1 2 , where a and b are acute angles, then find the value of a.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145°
- 215°
- 330°
- 475°✓
Correct answer
75°
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