Simplify `tan^4theta+tan^2theta`

Solve: tan4 theta = tan2theta

If sec^(4)theta-sec^(2)theta=3 then the value of tan^(4)theta+tan^(2)theta is:

If sec^(4)theta-sec^(2)theta=3 then the value of tan^(4)theta+tan^(2)theta is :

Simplify sec theta[[tan theta,sec theta],[sec theta,-tan theta]] - tan theta[[sec theta,tan theta],[tan theta,-sec theta]]

Prove that : tan^(4)theta + tan^(2)theta = sec^(4)theta - sec^(2) theta

Prove that (1+ tan^4 theta)/(1+ tan^2 theta) = sec ^2 theta-2 sin^2theta

The expression (tan4 theta+tan2 theta)(1-tan^(2)(3 theta)tan^(2)theta) is identical to

Solve tan theta + tan 2 theta + tan theta * tan 2 theta * tan 3 theta=1

If theta=(pi)/(4n) then the value of tan theta tan(2 theta)tan(3 theta)...tan((2n-1)theta) is