What is the value of $sin \left(-\frac{\pi}{3}\right) + cos\left(-\frac{\pi}{6}\right)$?
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1. .If sinθ x cosθ = ½ . The value of sinθ cosθ is where 0°< θ< 90°
2. Solve for the θ in the following equation: Sin 2θ = cos θ
3. If $sin (\theta + 30^{0})$ = $\frac{3}{\sqrt{12}}$ , then the in value of $cos^{2}\theta$ is
4. The value of sin48 sec42 + cos48 cosec42 = ?
5. What is the value of (4/3) cot2(π/6) + 3cos2150° – 4cosec245° + 8sin(π/2)?
6. If secA = P, then the value of P is
7. The value of sec233° + sin227° – cot257° + sin263° is
8. If $2sin\theta + cos\theta$ = $\frac{7}{3}$ , then the value of $(tan^{2}\theta - sec^{2}\theta)$ is