Question

the value of cos1 cos2 cos3 cos89 cos90 is

Answer 1

SOLUTION

TO DETERMINE

The value of

cos1° cos2° cos3°. . . cos89° cos90°

EVALUATION

Here the given Trigonometric expression is

cos1° cos2° cos3°. . . cos89° cos90°

We know that cos90° = 0

Thus we get

cos1° cos2° cos3°. . . cos89° cos90°

= cos1° cos2° cos3°. . . cos89° × 0

= 0

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Answer 2

Answer:

0

Step-by-step explanation:

this is the answer of this question