Video Solutions If cos θ + sin θ = 1 , then prove that cos θ – sin θ = ±1 | CBSE Sample Paper | 10th class Maths Using graphical method, find whether following system of linear equations: x = 0 and y = – 7 | PYQ Ms. Sheela visited a store near her house and found that the glass jars ....| 10th class Maths PYQ A ladder set against a wall at an angle 45° to the ground. If the foot of ... | 10th class Maths PYQ A motor boat whose speed is 18 km/h in still water. It takes 1 hour more to..| 10th class Maths PYQ In the given figure, ABCD is a parallelogram. BE bisects CD at M and inter...| 10th class Maths PYQ If 4 cot^2 45° – sec^2 60° + sin^2 60° + p = 3/4 then find the value of P. | 10th class Maths PYQ An empty cone is of radius 3 cm and height 12 cm. Ice-cream is filled in ....| 10th class Maths PYQ The ratio of the 11th term to 17th term of an A.P. is 3:4. Find the ratio ....| 10th class Maths PYQ