Question

(vii) sin 15° cos 15° - cos 75° sin 75°​

Answer 1

Step-by-step explanation:

1. sin 15°cos(90-15)- cos(90-75) sin 75°
2. sin 15° cos 75°-sin15° -sin 75°
3. 0

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Answer 2

Answer:

please refer to the attachment for your answer