The value of cos 15° cos 35° cos 45° cos 65° cos 90° is:
Answer & explanation
Correct answer: option 2
We know,
cos 90° = 0
Therefore,
cos15°cos35°cos45°cos65°cos90° = 0
The value of cos 15° cos 35° cos 45° cos 65° cos 90° is:
Correct answer: option 2
We know,
cos 90° = 0
Therefore,
cos15°cos35°cos45°cos65°cos90° = 0