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More Trigonometry Questions
- Question 1
- If cos4 B - sin4 B = , then the value of 2 cos2 B - 1 is
- The maximum value of 45 sin θ + 28 cos θ is:
- If cot5A = tan(3A-14˚), find the value of A? Given that 5A and 3A-14˚ are acute angles.
- Find the value of sin²10° + sin²80° + cos²15° + cos²75°.
- If sec a + tan a = 3, find the value of sin a.
- 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 cot x- tan x=7 then what is the value of cot x + tan x=?
- If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
- If cot8A = tan(A+8˚), find the value of A? Given that 8A and A+8 are acute angles.
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