Question
The maximum value of 15 sin2 θ + 8 cos2 θ is
More Trigonometry Questions
- If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
- If 10sin²x + 6cos²x − 8 = 0, then find the value of sinx, given that 0° < x < 90°.
- If (3cos A - sin A) = 2 cos (90° - A), then find the value of cot A.
- If 4cos²A + 5sin²A = 4.5, then find the value of (sec²A - 1)
- Find the maximum value of (5sin A + 12cos A).
- If cos 2A = 7, then find cos A
- If √3 tan x = 3, then the value of x:
- Question 8
- Question 9
- If (sin 3A sec 6A = 1) , then what will be the value of cos 6A?
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