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

ICSE Class X Math 2018 Solved Paper - Question 18

Question : 18 of 32

Marks: +1, -0

Prove that

(1+\cot θ-{\cosec} θ)(1+\tan θ+\ sec θ)=2

Solution:

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