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The correct answer is C
What is the value of cos75°?
sin2 12˚ + sin2 14˚ + sin2 16˚ + sin2 18˚ + ……… + sin2 78˚ =?
What is the value of [(tan 5θ + tan 3θ)/4 cos 4θ (tan 5θ – tan 3θ)]?
If 2cosθ + 8sin2θ = 11, where 0o < θ < 90o, then find the value of cot θ.
sin2 7˚ + sin2 9˚ + sin2 11˚ + sin2 12˚ + ……… + sin2 83˚ = ?
if a sin 45 ˚ = b cosec 60 ˚ then find the value of a⁴/b⁴
...What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?
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