Question

II. Choose the correct option (1 mark each)1. The value of cos 0^ .cos 1^; cos 2 degrees . cos 3 degrees ... cos 89 degrees * cos 90 degrees is(a) 1b)-1c)0d)2​

Answer 1

Answer:

Since cos 90° = 0

∴ cos 0°. cos 1°. cos 2° ….. cos 89°. cos 90°

= cos 0°. cos 1°. cos 2°…… cos 89° . 0

= 0

Step-by-step explanation:

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Answer 2

Answer:

a) is the correct answer