.If sinθ x cosθ = ½ . The value of sinθ cosθ is where 0°< θ< 90°
1). 0
2). $\sqrt{2}$
3). 2
4). 1
1. What is the value of $\frac{(sinA - 2sin^{3}A)}{(2cos^{3}A - cosA)}$
4. What is the value of Sin 30° + 2 Cos 30°?
6. If a.sin 45°.cos 45°.tan60° = tan245° cos60° then find the value of a ?
7. If $\sqrt{3}tan\theta$ = $3 sin\theta$, then the value of $( sin^{2}\theta - cos^{2}\theta)$ is
9. What is the simplified value of $(cos^{4} A - sin^{4} A)$?
10. If $sin17^{0}$ = $\frac{x}{y}$, then $sec 17^{0} - sin 73^{0}$ is equal to