Question
If 7cos²A + 2sin²A = 6, then find the value of (sec²A - 1)
More Trigonometry Questions
- 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.
- sin2 4˚ + sin2 6˚ + sin2 8˚ + sin2 10˚ + ……… + sin2 86˚ =?
- If cos2B = sin(1.5B + 27 o), then find the measure of 'B'.
- If sin 2a = (7/9), then find the value of (sin a + cos a).
- If 2 sin x = √3, then the value of x:
- sin2 17˚ + sin2 19˚ + sin2 21˚ + sin2 23˚ + ……… + sin2 77˚ = ?
- If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
- If asinx +b cosx = c then find the value of acosx - bsinx =?
- If sec a + tan a = 2, find the value of sin a.
- Question 10
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