Mathematics · Trigonometric Equations
The general solution satisfying both the equations sin(x) = -3/5 and cos(x) = -4/5 is given by (where n ∈ Z):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x = nπ ± Tan-1(3/4)
- 2x = nπ + Tan-1(3/4)
- 3x = 2nπ + Tan-1(3/4)
- 4x = (2n + 1)π + Tan-1(3/4)✓
Correct answer
x = (2n + 1)π + Tan-1(3/4)
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