Question

Evaluate 1+sin 30/tan 45−cos60

Answer 1

Answer:

1 + sin 30°/tan 45°- cos 60°

= 1 + sin(90-60)° / tan 45° - cos 60°

= 1 + cos 60°/ 1 - cos 60° (tan 45° = 1)

= 1 + cos 60° - cos 60°

= 1 + 0

= 1

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