Related InterviewSolutions

• In ∆ABC measure of angle B is 90o. If secA = 25/7, and AB = 14 cm, then what is the length (in cm) of side BC?1). 502). 483). 204). 26
• The angles of elevation of the top of a tower from two points A and B which are at a distance of 20 m and 12 m from the base of the tower and are in the same straight line. The angles are complementary to each other. The height of the tower is1). 15 m2). 15.29 m3). 15.49 m4). 20.45 m
• The angle of elevation from a point on the ground to the top of building and to top of chimney which is on building are x° and 45° and the height of building is ‘h’ meter. What is the height of chimney (in meter)?1). h cot x + h2). h cot x - h3). h tan x - h4). h tan x + h
• 1). sin2x > \(\frac{1}{2}\) and cos2x> \(\frac{1}{2}\)2). sin2x > \(\frac{1}{2}\) and cos2x < \(\frac{1}{2}\)3). sin2x < \(\frac{1}{2}\) and cos2x < \(\frac{1}{2}\)4). sin2x, cos2x at least one is less than 1
• 1). π/42). π/23). 3π/44). π
• 1). 1 – cos2A2). 2sin2A3). sec2A4). cosec2A
• 1). ½2). 3/43). 34). 3/2
• If tan 330° = x, then the value of x is?1). -1/√32). -√33). -1/24). -1/√2
• What is the value of (cosec 45° + √3/2) ?1). 5/62). (4 + √3)/2√33). (2√2 + √3)/24). 3√3/2
• If tan \(A\; = \;\frac{{1 - cosB}}{{sinB}},\) then what is \(\frac{{2tanA}}{{1 + {{\tan }^2}A}}\) equal to?1). \(\frac{{sinB}}{2}\)2). 2tanB3). sinB4). 4sinB