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Primary Trigonometric Ratios Worksheets  Sine, Cosine, Tangent
Practice these assortments of primary trigonometric ratio worksheets designed to benefit high school children with topics like finding trigonometric ratios using SOHCAHTOA; determine all the three primary trigonometric ratios of the rightangled triangle; find the value of sine, cosine and tangent; and more. You can refer primary trigonometric ratio chart as an assist in solving these printable worksheets.

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Primary trigonometric ratios using segments
These worksheets require students to use SOHCAHTOA to find the trigonometric ratios sin θ, cos θ and tan θ.

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(3 Worksheets)
Primary trigonometric ratios using lengths
The sides of the rightangled triangle are given. Determine the value of the given trigonometric ratio. Worksheets are offered in both customary and metric units.
Type: Customary, Metric (3 worksheets each)

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(6 Worksheets)
All the three sides of a rightangled triangle are given. Find the value of sine, cosine and tangent for the specified angle.

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(3 Worksheets)
Apply Pythagorean theorem to determine the missing length of a rightangled triangle. Find all the three primary trigonometric ratios using the information provided.
Type: Customary, Metric (3 worksheets each)

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(6 Worksheets)
Indicated primary trigonometric ratio
Each problem contains a trigonometric ratio. Determine the value of the indicated trigonometric ratio. Ex: Find sin θ if cos θ = 3/5.

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(3 Worksheets)
Use calculator to determine the value of sine, cosine or tangent. Each worksheet consists of two sections, PartA and PartB that offers problems in degrees and radians respectively.

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(3 Worksheets)
Evaluate trigonometric expressions
Evaluate the expression by identifying the values of the given trigonometric ratios. The angles are specified in degrees or radians.

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(3 Worksheets)