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Calculate without using trigonometric ta...

Calculate without using trigonometric tables: (a) `4 cos 20^@ - sqrt3 cot 20^@`

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

Calculate without using trignometric tables : 4 cos20^∘−√3cot20^∘

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

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

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

Evaluate without using trigonometric tables : tan 20^(@) tan 40^(@) tan 50^(@) tan 70^(@)

Evaluate without using trigonometric tables : "cos"^(2) 26^(@)+"cos" 64^(@)"sin" 26^(@)+("tan" 36^(@))/("cot" 54^(@))

Evaluate without using trigonometric tables : tan 20.tan 40^(@) tan 50^(@) tan 70^(@)

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

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