Question
sin2 12˚ + sin2 14˚ + sin2 16˚ + sin2 18˚ + ……… + sin2 78˚ =?
More Trigonometry Questions
- Question 1
- Question 2
- If sin θ + cos θ = 1.2, find the value of sin θ. cos θ.
- If tan α = 1/2, tan β = 1/3, then find α + β.
- Find the maximum value of 25 sin A + 11 cos A.
- cosx/(1 – sinx) + cosx/(1+ sinx) = 4, 0 o < x < 90 o , then the value of (tanx + cosecx)
- If cos θ + sec θ = √5, then the value of cos³ θ+ sec³ θ is:
- If 6sin²x + 2cos²x − 3 = 0, then find the value of sinx, given that 0° < x < 90°.
- Question 9
- If sec x + tan x = 11 then find secx?
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