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=2+1 =3More Trigonometry Questions
- If sec A + tan A = (9/4) and sec A - tan A = (4/9), find the value of cos A.
- If cos 2A = 15, then find cos A
- sin2 17˚ + sin2 19˚ + sin2 21˚ + sin2 23˚ + ……… + sin2 77˚ = ?
- Question 4
- If sec A + tan A = 4 and sec A - tan A = (1/4), find the value of cos A.
- The minimum value of 9 cos2 θ + 36 sec2 θ is
- If asinx +b cosx = c then find the value of acosx - bsinx =?
- Question 8
- If tan theta = 3/4 and theta is acute, then sec theta is:
- Question 10
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