(vii) sin 15° cos 15º - cos 75° sin 75°
Answers
Answered by
3
Answer:
0
Step-by-step explanation:
=sin 15 .cos(90-15) - cos(90-75) .sin 75
=sin 15.sin75 - sin 15 .sin 75
=0
Answered by
2
Answer:
0
Step-by-step explanation:
sin(90-75)° cos (90-75)° - cos 75° sin 75°
sin75° cos75° -cos75° sin75°
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