Question 5

4 3 3 2. If sin A = , then the value of cot A is 1 3

• (A)3
• (B)
• (C)
• (D)1 3 2 3. The value of the expression [cosec (75° + θ) – sec (15° – θ) – tan (55° + θ) + cot (35° – θ)] is (A) –1 (B) 0 (C) 1 (D) 4. Given that sinθ = , then cosθ is equal to b b b2 – a2 a (A) (B) (C) (D) b2 – a2 a b b2 – a2 5. If cos (α + β) = 0, then sin (α – β) can be reduced to (A) cos β (B) cos 2β (C) sin α (D) sin 2α