Trigonometric Ratios
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Q. If a tree casts a shadow of 10 meters and the angle of elevation to the top of the tree is 45 degrees, what is the height of the tree?
Q. If cos(θ) = 0.8, what is the value of θ in degrees (to the nearest degree)?
Q. If sin(θ) = 0.6, what is the value of cos(θ) using the Pythagorean identity?
Q. If sin(θ) = 0.6, what is θ in degrees (to the nearest degree)?
Q. If sin(θ) = 0.8, what is the value of θ in degrees?
Q. In a right triangle, if the opposite side is 3 and the hypotenuse is 5, what is sin(θ)?
Q. Which of the following is the correct identity for sin²(θ) + cos²(θ)?
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