Q. What is the value of 1sin490-θ+1cos290-θ - 1 ?
A) sec4θ
B) tan2θ sec2θ
C) tan2θ sin2θ
D) tan4θ
✔ Correct Answer: tan2θ sec2θ
Exam Insight
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A) sec4θ
B) tan2θ sec2θ
C) tan2θ sin2θ
D) tan4θ
✔ Correct Answer: tan2θ sec2θ
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