1. Given that sin θ = \(\frac{a}{b}\) then cos θ is equal to

2. Given that sin α = \(\frac{1}{2}\) and cos β = \(\frac{1}{2}\), then the value of (α + β) is

3. If tan θ = 3, then \(\frac{4sin θ-cos θ }{4sin θ+cos θ}\) is equal to

4. sin (45° + θ) - cos (45° - θ) is equal to

5. If √2 sin (60° - α) = 1 then α is

6. The value of sin² 30° - cos² 30° is

7. The maximum value of \(\frac{1}{cosec α}\) is

8. If cos (40° + A) = sin 30°, then value of A is

9. If cosec θ - cot θ = \(\frac{1}{3}\), the value of (cosec θ + cot θ) is

10. In the given figure, if AB = 14 cm, BD = 10 cm and DC = 8 cm, then the value of tan B is