JDPI Coaching Institute

Which one of the following is not a quadratic equation?
(A) (𝑥 +2)2 =2(𝑥 +3) (B) 𝑥 2 +3𝑥 =(- 1)(1- 3𝑥)2
(C) 𝑥 3 - 𝑥 2 +2 𝑥 +1 =( 𝑥 +1)3 (D) ( 𝑥 +2)( 𝑥 +1) = 𝑥 2+ 2𝑥 +3

If 𝑠𝑒𝑐𝛳 + 𝑡𝑎𝑛𝛳 = 𝑥, then 𝑠𝑒𝑐𝛳 − 𝑡𝑎𝑛𝛳 will be (A) 𝑥 (B) 𝑥² (C) 2/𝑥 (D) 1/x

If sec⁡θ+tan⁡θ=x, find the value of sec⁡θ- tan⁡θ= ||If sec⁡ thetha +tan⁡ thetha =x, then ...
if 𝑠𝑒𝑐𝛳 + 𝑡𝑎𝑛𝛳 = 𝑥, then 𝑠𝑒𝑐𝛳 − 𝑡𝑎𝑛𝛳 will be (A) 𝑥 (B) 𝑥² (C) 2/𝑥 (D) 1/x
If 𝑠𝑒𝑐 𝛳 + 𝑡𝑎𝑛 𝛳 = 𝑥, then 𝑠𝑒𝑐 𝛳 − 𝑡𝑎𝑛 𝛳 will be (A) 𝑥 (B) 𝑥² (C) 2/𝑥 (D) 1/x
If 𝑠𝑒𝑐 theta + 𝑡𝑎𝑛 theta = 𝑥, then 𝑠𝑒c theta − 𝑡𝑎𝑛 theta will be (A) 𝑥 (B) 𝑥² (C) 2/𝑥 (D) 1/x
SAMPLE QUESTION PAPER
MATHEMATICS STANDARD Code No.041
CLASS 10 2025-26
question no 5
Chapter 8 Introduction to Trigonometry

A quadrilateral ABCD is drawn to circumscribe a circle. If BC=7cm, CD=4cm and AD=3cm, then the length of AB is
(A) 3cm (B) 4cm (C) 6cm (D) 7cm

If the lines given by 3x +2ky =2 and 2x+5y +1=0 are not parallel, then k has to be
(A) 154 (B) ≠154
(C) any rational number (D) any rational number having 4 as denominator

The shortest distance (in units) of the point (2,3) from y-axis is (A) 2 (B) 3 (C) 5 (D) 1