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Trigonometric Functions

Question
CBSEENMA11013620
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Find the values of x and y when.

space space space space space space space space left parenthesis 2 straight x comma space straight x plus straight y right parenthesis space equals space left parenthesis 6 comma space 2 right parenthesis

Solution

 

(2x, x + y) = (6, 2)
rightwards double arrow   2x = 6  or x = 3
and       x + y = 2 or  3+y = 2 or y = -1
Hence, x = 3, y = -1

Some More Questions From Trigonometric Functions Chapter

If A = {a, b, c} and B = {p, q}, then find :

(i) A x B (ii) B x A (iii) A x A (iv) B x B (v) n (A x B) (vi) n (B x A) (vii) n (A x A) (viil) n (B x B).

If A = {–1, 1}, find A × A × A.

Let A = {–1, 1}, B = {2, 3}, C = {3, 5} be subsets of real numbers.

Let A = {–1, 1}, B = {2, 3}, C = {3, 5} be subsets of real numbers.

n(A X A)

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