1.  (1+cos θ) / sin θ

2.  (1-cos θ) / sin θ

3.  (1+sin θ) / cos θ

4.  (1-sin θ) / cos θ

4

(1+cos θ) / sin θ

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# cot2θ(sec θ-1/ (1+sin θ))+ sec2 θ (sin θ-1/ (1+sec θ))=

1.  0

2.  1

3.  -1

4.  2

4

0

Explanation :
No Explanation available for this question

1.  π/12

2.  π/10

3.  π/5

4.  π/2

4

π/12

Explanation :
No Explanation available for this question

# 2 sin θ. tan θ(1-tan θ)+2 sin θ sec2 θ / (1+tan θ)2

1.  (2 sin θ cos θ)/ (cos θ+ sin θ)

2.  (2 sec θ cosec θ)/ (cosec θ+ sec θ)

3.  (2 tan θ cot θ)/ (cot θ+ tan θ)

4.   (2 cos θcot θ)/ (cot θ+ cos θ)

4

(2 sin θ cos θ)/ (cos θ+ sin θ)

Explanation :
No Explanation available for this question

1.  (1+cos θ)/(1-cos θ)

2.  (1-cos θ)/(1+cos θ)

3.  (1+sin θ)/(1-sin θ)

4.  (1-sin θ)/(1+sin θ)

4

(1-cos θ)/(1+cos θ)

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# If

1.  (1/3)(4√2+1)

2.  (1/3)(4√2-1)

3.  (1/3)(2√2-1)

4.  (1/3)(3√2-1)

4

(1/3)(4√2-1)

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.  -2

2.  3

3.  5

4.  8

4