Using tables evaluate the following`(frac(1-cot^2 60^@)(1+cot^2 60^@))-cos 60^@`

cot 60^(@) =

Using tables evaluate the following: 4cot45^@-sec^2 60^@+sin 30^@

Using tables evaluate the following (frac(cot (pi/4) cot (pi/3)+1)(cot (pi/4)-cot (pi/3)))

Using tables evaluate the following 4/3tan^3 60^@+3cos60^@-2sec^2 30^@-3/4cot^2 60^@

Select and write the correct answer from the given alternatives in each of the following: (frac(1-tan^2 60^@)(1+tan^2 60^@)) =………….

Integrate the following: frac{1}{(1-cos 4x)(3- cot 2x)}

(cot^2 15^@-1)/(cot^2 15^@+1)=

Evaluate the following: int (frac {x}{1+cos 2x}) dx

Evaluate each of the following cos30^@xxcot30^@-sec60^@

Evaluate each of the following cos0^@xxtan60^@+cot30^@