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tan^(4)theta-2tan^(2)theta-3=0...

tan^(4)theta-2tan^(2)theta-3=0

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(iv) tan^(4)theta - 4 tan^(2) theta + 3 = 0 (0 < theta < 180^@)

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

Prove that :tan4 theta=(4tan theta-4tan^(3)theta)/(1-6tan^(2)theta+tan^(4)theta)

tan4 theta=4tan theta(1-tan^(2)theta)/(1-6tan^(2)theta+tan^(4)theta)

If tan theta+1/(tan theta)=2 , then show that tan^(2)theta+1/(tan^(2)theta)= 0

Prove that (tan^(2)2theta-tan^(2)theta)/(1-tan^(2)2thetatan^(2)theta)=tan 3 theta tan theta .

Prove that (tan^(2)2theta-tan^(2)theta)/(1-tan^(2)2thetatan^(2)theta)=tan 3 theta tan theta .

Prove that (tan^(2)2theta-tan^(2)theta)/(1-tan^(2)2thetatan^(2)theta)=tan 3 theta tan theta .

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