Question

If sinA =1÷2
2 sec A÷
1 + tan^2A​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

$sin \: a = \frac{1}{2} \\ \\ sin \: a = sin \: 30 \\ a = 30$

A = 30°

$\frac{2sec \: a}{1 + {tan}^{2} a} \\ \\ = \frac{2sec \: a}{sec \: a} \\ \\ = 2$

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