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solve 4cos20^@-sqrt(3)cot20^@...

solve `4cos20^@-sqrt(3)cot20^@`

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Calculate without using trigonometric tables: (a) 4cos20^(@)-sqrt(3)cot20^(@)

Evaluate 4\ cos\ 20^0\ -sqrt(3)\ cot\ 20^0\ =

4\ cos\ 20^0\ -sqrt(3)\ cot\ 20^0\ =

4\ cos\ 20^0\ -sqrt(3)\ cot\ 20^0\ =

Solve 4x=-20

Find the value of 3cos20^(@)-4cos^(3)20^(@) .

Prove that (sin20^(@) + sin40^(@)) + (cos20^(@) + cos40^(@))=(sqrt(3)+1)cos10^(@)

Prove that (sin20^(@) + sin40^(@)) + (cos20^(@) + cos40^(@))=(sqrt(3)+1)cos10^(@)

The value of sqrt(3) cot 20^(@) -4cos20^(@) is