Page 1 : Pemok, ae, SECONDARY SCHOOL EXAMINATION - 2019 (ANNUAL), , Advance Mathematics (OPT), , Full Marks -100, , atenPfar & tery freer -— yet — 100, , Instructions for the candidates :, 1., , Candidates are required to give answers in their own words as far, , as practicable., udereit aera art areal F STR SI ', Figure in the right hand margin indicates full marks., , aah oie ahd ox Pa gu aia gain fee wed FI, , While answering the questions, candidate should adhere to the, word limit as far as practicable., , sax 23 URE ware gereira wee eT aT ATT VE, , 45 Minutes of extra time has been allotted for the candidate to read, , the question carefully., , a yes va wy corals 9ea & fed 15 frre ar afar aera feat TAT, zl, , This question paper is divided into two sections. Section-A and, Section-B, TEU A A ws Aa, SS TT IS, In Section A, there are 50 objective type questions which are

Page 3 : SECTION-A (Objective Type Questions), , WSF (ARGS WEA), tan150° or aM eT —, val of tan150° will be ab, (A) 2 (B) 2, (C).i5 DD., Sin (90°+0) axrax &, Sin (90°+8) is equal to, , (A) -Cosé (B) Siné, , (C) Cos@ (D)'-Sine, 2060° oT Wetter aro s —, , Co-terminal angle of 2060° is, , (A) 100° (B) -100°, (C) 50° (D) -50°, , afe tand = 2 at Sec a aM a wer b & act 4 er, , If tané = 5 then the value of Secé in terms of a and b will be, , (A) Wee (3) SE, , b, (C) al (D) None of these, , tan5° x tan 30°x 4tan 85° ara @, , tan5° x tan 30°x 4tan 85° is equal to, , (A) i (B) 413 (c) 1 (D) 4, Cosec’6 - cot?9 aya eT, , Cosec’6 - cot? will be equal to, , (A) 0 (B) 1 (C)2 (D) -1

Page 4 : 10., , 11., , fra 4 oie ferg vers agate 4 @ ?, , Which of the following point lies in first quadrant ?, , (A) (3,5) (B) (-2, 5), , (C) (-2, -5) (D) (2, -5), tan1°.tan2°.tan3° ............ tan 80° @T AM ze, , (A) 1 (B) -1, , (c)o (D) S74 & wig set, The value of tan1°.tan2°.tan3?.............. tan 89° is, , (A) 1 (B) -1, , (C) 0 (b) none of these, , afe.SecAttanA = x @, at tanA #1 am ert, , If SecA+tanA = x, then the value of tanA will be, , (A)x+ 5 (B)x- }, , (C) 5+ x) (D) 5 &- 4), , Cos 180° =, , (A) 1 (B) -1, , (c)o (D)- 4, , fargaii A(O, 6), B(-5, 3) va C(3, 1) ve Bre & eit fas 21 ae He, (A) wafgarg (B) Wray, , (C) fasrarg (D) wretor aafearg, , The point A(0, 6), B(-5, 3) and C(3, 1) are the vertices of a triangle, then the triangle is, , (A) isosceles (B) equilateral