Question

The value of V3 cosec 20 sec20 is equal to?​

Answer 1

Answer:

Given expression is ✓3/sin 20° - 1/cos 20°

2(✓3/2/sin 20° - 1/2/cos 20°)

2(sin 60°/sin 20° - cos 60°/ cos 20°)

2(sin 60° cos 20° - cos 60° sin 20°/ sin 20° cos°)

2(sin 60°-20°/ sin 20° cos 20°

2 sin 40°/ sin 20° cos 20°

2 * 2 sin 20° cos 20°/ sin 20° cos 20°

4.

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