What is sin(θ) in a right triangle? - sin(θ) = Opposite/Hypotenuse, What is the Pythagorean Identity? - sin²(θ) + cos²(θ) = 1, What is tan(45°)? - tan(45°) = 1, Define the angle of elevation. - The angle formed by the line of sight with the horizontal when looking up at an object., What is sin(θ) , cos(θ) , tan(θ) , cosec(θ) , sec(θ) , cot(θ) In the form of the sides if a right angled triangle - Sin(θ) = P/H , Cos(θ) = B/H , Tan(θ) = P/B , Cosec(θ) = H/P , Sec(θ) = H/B , Cot(θ) = B/P, What is cos(30°)? - cos(30°) = √3/2, What is the reciprocal identity for sec(θ)? - sec(θ) = 1/cos(θ), What is cot(θ) in terms of sine and cosine? - cot(θ) = cos(θ)/sin(θ), What is the value of sin(90°)? - sin(90°) = 1, State the quotient identity for tan(θ). - tan(θ) = sin(θ)/cos(θ), What is the angle of depression? - The angle formed by the line of sight with the horizontal when looking down at an object., What is cosec(θ) in a right triangle? - cosec(θ) = Hypotenuse/Opposite, What is the Pythagorean Identity involving sec(θ)? - 1 + tan²(θ) = sec²(θ), Find the value of sin(45°). - sin(45°) = 1/√2, What is the value of tan(60°)? - tan(60°) = √3,

Trigonometry

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