Question
tan2 θ(sec θ−1)2=
Answer: Option D
:
D
Was this answer helpful ?
:
D
tan2 θ(sec θ−1)2=sec2 θ−1(sec θ−1)2
=(sec θ−1)(sec θ+1)(sec θ−1)(sec θ−1)
=1cos θ+11cos θ−1
=1+cos θcos θ1−cos θcos θ
=1+cos θ1−cos θ
Was this answer helpful ?
More Questions on This Topic :
Question 2.
(1+tan A)2+(1−tan A)2=
....
Question 3.
11+tan2θ+11+cot2θ=
....
Question 4.
(sinA+cosecA)2−(sinA−cosecA)2=
....
Question 5.
Find the value of 1−tan2 30∘1+tan2 30∘.
....
Question 6.
(1+tanθ1+cotθ)2 = ____ .
....
Latest Videos
Latest Test Papers
Submit Solution