.The orthocentre of a triangle is the point where
1). the medians meet
2). the altitudes meet
3). the right bisectors of the sides of
4). the bisectors of the angles
1. What is the value of cosec(-7π/6)?
2. If $cosec\theta - cot\theta$ = $\frac{7}{2}$ , the value of $cosec\theta$ is :
3. The value of $\frac{sin\theta - 2sin^{3}\theta}{2cos^{3}\theta-cos\theta}$ is equal to
4. ΔPQR is right angled at Q. If ∠P = 60°, then find the value of (cotR + √3/2).
6. If cos 55° and sin 55° = 0.8 each then answer of 3 cos 125° + 5 sin 125° is