[" (ii) "(1+tan theta+sec theta)(1+cot t...

[" (ii) "(1+tan theta+sec theta)(1+cot theta-csc theta)=],[[" (A) "0," (B) "1],[" (iii) "(sec A+tan A)(1-sin A),=],[" (A) "sec A," (B) "sin A],[" (v) "(1+tan^(2)A)/(1+cot^(2)A),=],[" (A) "sec^(2)A," (B) "-1]]

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( 1 + tan theta + sec theta ) ( 1 + cot theta - cosec theta ) =

(1+cot theta-cosectheta)(1+tan theta+sec theta)=2

(1+tan theta+sec theta)(1+cot theta-cosec theta) = ? (a) -1 (b) 0 (c) 2

Prove that (1+cot theta-cosec theta)(1+tan theta+sec theta)=2

(tan theta)/(sec theta-1)-(sin theta)/(1+cos theta)=2cot theta

(tan theta+sec theta-1)(tan theta+1+sec theta)=(2sin theta)/(1-sin theta)

(tan theta+sec theta-1)/(tan theta-sec theta+1)=(1+sin theta)/(cos theta)

Prove that (1+cot theta - cosec theta)(1+tan theta + sec theta) =2 .