Page 235 - sscbbb

[A] (1 + 2√2)/2 [B] (√3 + 2)/√6 44 – What is the simplified value of
का सयरीकृ त भान क्मा है?
[A] sec A + tan A
[C] (1 – cosec A) / (1 + cosec A)
45 - What is the simplified value of [(sec3x – tan3x) / (sec x – tan x)] – 2 tan2x – sec x tan x?
[(sec3x–tan3x)/(secx–tanx)]–2tan2x–secxtanxका सयरीकृत भान क्मा है? 05 August 2017 Evening Shift
[A] 0 [B] 2 [C] – 1 [D] 1
[A] √2 [B] 2 [C] 1/√2 [D] 1/2
47. Δ ABC is right angled at B. If m∠A = 60°, then what is the value of 2 Sec C 1/2 Sin A?
Δ ABC, B ऩय सभकोण है। मदद m∠A = 60° है, तो 2 Sec C 1/2 Sin A का भान ककतना
[C] 5/√3 [D] (3 + 2√3)/3 05 August 2017 Morning Shift
[B] (1 – cos A) / (1 + cos A) [D] sin A
46 - Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F Cot F?
Δ DEF, E ऩय सभकोण है| मदद m∠F = 45° है, तो 2 Sin F Cot F का भान है: 06 August 2017 Morning Shift
है?
[A] 1/2 [B] 1/3
06 August 2017 Evening Shift
[C] 1 [D] 1/√2 48 - What is the simplified value of ( )?
( ) कासयरीकृतभानक्माहै? [A] 1 – cos2A [B] 2sin2A
08 August 2017 Morning Shift
[C] sec2A [D] cosec2A 08 August 2017 Afternoon Shift
49 - What is the simplified value of * +? * + कासयरीकृतभानक्माहै?
08 August 2017 Afternoon Shift
[A] sinθ [B] 1-sin2θ
50 - A tower is broken at a point P above the ground. The top of the tower makes an angle 60° with the ground at Q. From another point R on the opposite side of Q angle of elevation of point P is 30°. If QR = 180 m, then what is the total height (in metres) of the tower?
एक भीनाय, भैदान से ऊऩय जस्थत बफदॊ ु P से टूट गमा है। भीनाय का ऊऩयी भसया बफदॊ ु Q ऩय
[C] 1+sin 2θ [D] 1-sinθ
243