Question
If 5sin²x + 3cos²x − 4 = 0, then find the value of sinx, given that 0° < x < 90°.
More Trigonometry Questions
- Simplify the following trigonometric expression: 9 sin 36° csc 54° − 7 tan 47° cot 43°
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- If (tan 2x · tan 7x = 1), then find the value of (tan 9x).
- If sin θ = 3/5 and θ is an acute angle, then the value of cos θ is:
- If sec A + tan A = (9/4) and sec A - tan A = (4/9), find the value of cos A.
- If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
- If A + B = 450 , then the value of 2(1 + tanA) (1 + tanB) is:
- Find the value of the given expression. 4 × (tan 45° – cos 60°)
- If sin 2a = (3/4), then find the value of (sin a + cos a).
- Question 10
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