Sin 15 cos 15 - cos 75 sin 75
Answers
Answered by
12
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
3
Answer:
Sol.
sin 15° cos15° -cos 75° sin 75°
=sin (90-75) cos(90-75) - cos 75° sin 75°
=cos 75° sin 75° -cos 75° sin 75
=0
hope it helps!!
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