Trigonometryhard · Past Paper
If sin x + cosec x = 2, then sin^2 x + cosec^2 x = ?
A2
B4
C1
D0
✓ Correct Answer: A — 2
Squaring both sides: sin^2 x + cosec^2 x + 2(sin x)(cosec x) = 4 => sin^2 x + cosec^2 x + 2 = 4 => 2.
Share this question
✓ Correct Answer: A — 2
Squaring both sides: sin^2 x + cosec^2 x + 2(sin x)(cosec x) = 4 => sin^2 x + cosec^2 x + 2 = 4 => 2.
Share this question