Mathematics · Trigonometry
In ΔABC, ∠B = 90° and AB : BC = 1 : 2. The value of cos A + tan C is:
- 15 + √52√5
- 21 + √52√5
- 32√52 + √5
- 42 + √52√5✓
Correct answer
2 + √52√5
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