Tickets numbered 1 to 20 are mixed up together and then a ticket is drawn at random. What is the probability that the ticket has a number which is a multiple of 3 or 7?

Draw the graph of 2x – 3y = 4. From the graph, find whether x = -1, y = -2 is a solution or not. (Final)

Prove the following identities :

tan⁴θ + tan²θ = sec⁴θ – sec²θ

If, then find the values of sin θ and cos θ.

Write the first three terms of the following sequences defined by:

Express the following as trigonometric ratio of complementary angle of 90^o- θ.

(i) tan (90^o- θ)

(ii) cos (90^o- θ)

Which of the following amongst the given options cannot be the probability of an event:

(i) 1.01 (ii) 67%

(iii) -0.5 (iv)

(v) 0.3