SOH-COH-TOA Practice Problems
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SOH-COH-TOA Practice Problems
📐 Part 1: Finding Trigonometric Ratios
Remember: SOH-COH-TOA stands for:
Sine = Opposite ÷ Hypotenuse
Cosine = Adjacent ÷ Hypotenuse
Tangent = Opposite ÷ Adjacent
Which ratio do I use? ________________
sin θ = ________________
Which ratio do I use? ________________
cos θ = ________________
Which ratio do I use? ________________
tan θ = ________________
🔍 Part 2: Finding Angles and Lengths
Step 1: sin θ = _______ ÷ _______ = _______
Step 2: θ = sin⁻¹(_______) = _______°
Step 1: sin(35°) = _______ ÷ hypotenuse
Step 2: Rearrange to find hypotenuse = _______
Hypotenuse = _______ cm (to 1 decimal place)
Step 1: cos(30°) = _______ ÷ hypotenuse
Step 2: Rearrange to find hypotenuse = _______
Hypotenuse = _______ cm (to 1 decimal place)
💭 Part 3: Reflection
I use sine when I know the _____________ and _____________ sides.
I use cosine when I know the _____________ and _____________ sides.
I use tangent when I know the _____________ and _____________ sides.
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