Question
If 10sin²x + 6cos²x − 8 = 0, then find the value of sinx, given that 0° < x < 90°.
More Trigonometry Questions
- If 2sin y + cos y = √3 sin y, then find the value of tan y
- If √3 cosec 2x = 2, then the value of x:
- If sin α + cos β = 2 (0˚ ≤ β < α ≤ 90˚), then sin[(2α + β)/3] =?
- If Sin θ + Cos θ = √2 Cos(90 - θ), then find the value of Cot θ?
- If tan theta = 3/4 and theta is acute, then sec theta = ?
- In a right triangle ABC, angle B = 90°. If tan A = 3/4 and the length of the hypotenuse is 25 cm, find the area of the triangle.
- If secx – tanx = 1/√3, then the value of secx × tanx is:
- If sin A = √3/2, then what will be the value of sec² A?
- If sin(A + B) = 1/2 and cos(A + 2B) = 1/√2, where 0° < A, B < 90°, then find the value of tan(2A).
- If cot2A = tan(A+6˚ ) , find the value of A? Given that 2A and A+6˚ are acute angles.
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