Mathematics · Trigonometry
Which of the following relations is true when x = sin A + cos A and y = sec A + cosec A?
- 1y - 2x = x2y
- 2y(1 - 2x2) = x
- 3y(1 + x2) = 2x
- 4y + 2x = x2y✓
Correct answer
y + 2x = x2y
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