Question

What is the value of Sec30ºCos30° +Sin 45ºCosec 45°-cot30°​

Answer 1

Answer:

cos x = cos 60° or x = 60°

Step-by-step explanation:

In 45° = cos 45°= 12√ ; sin 30° = 12

cos x = 2 sin 45° cos 45° – sin 30°= [ 2 × 12√ × 12√ ]- 12

cos x = 1 - 12 = 12

We know cos 60° = 12

Hence cos x = cos 60° or x = 60°

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Answer 2

Answer:

$Cos \: 60°$

Step-by-step explanation:

It is the correct answer.