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More Trigonometry Questions
- If cos θ + sec θ = √5, then the value of cos³ θ+ sec³ θ is:
- sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + ……… + sin2 81 ° = ?
- If cos²α + cos²β = 2, then the value of tan⁴α + sin⁸β is
- If tan α = 1/2, tan β = 1/3, then find α + β.
- if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
- Find the value of sin²18° + sin²72° + cos²63° + cos²27°.
- If tan theta = 3/4 and theta is acute, then sec theta is:
- 2 × Tan 30° / (1 + Tan2 30°) equals:
- If tan 4θ = cot 14θ, then find the value of cos 9θ.
- Find the maximum value of 18 sin A + 7 cos A.
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