cot70^(@)+4cos70^(@)

The value of (cot 70^(@)+4 cos 70^(@)) is-

The value of cot 70^(@) + 4 cos 70^(@) is

The value of cot 70^(@) + 4 cos 70^(@) is

The value of cot 70^(@) + 4 cos 70^(@) is

Calculate the following without using trigonometric tables (i) tan 9^(@) - tan 27^(@) - tan 63^(@) + tan 81^(@) (ii) cosec 10^(@) -sqrt(3) sec 10^(@) (iii) 2sqrt(2) sin 10^(@) [(sec 5^(@))/(2) + (cos 40^(@))/(sin 5^(@))-2 sin 35^(@)] (iv) cot 70^(@)+4 cos 70^(@)

Prove that tan 70^(@)=cot70^(@)+2cot40^(@)

Prove that tan 70^(@)=cot70^(@)+2cot40^(@)

cot10^(@)cot20^(@)cot60^(@)cot70^(@)cot80^(@)=

What is cot 15 ^(@)cot 20^(@) cot 70^(@) cot 75 ^(@) equal to ?

(sin70^(@))/(cos20^(@))+(csc20^(@))/(sec70^(@))-2cos70^(@)csc20^(@)=0