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Duke University

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Unweighted GPA:** 3.7**

1.0

4.0

SAT: **720 math**

200

800

| **800 verbal**

200

800

Low accuracy (4 of 18 factors)

Hey there! I'm decent at math, but trigonometry has always been a bit tricky for me. How heavily does the ACT test trigonometry, and are there any specific trig topics that I should focus on while studying? Any tips on how to approach these questions on the ACT would be great. Thanks!

5 months ago

Hi! The ACT does test trigonometry, but it's not a particularly heavy focus on the math section. Approximately 2-4 questions, or about 5-10% of the math section, might cover trigonometry topics. While studying, these are some of the trig topics they tend to cover:

1. Basic trigonometric ratios (sine, cosine, and tangent)

2. Trigonometric identities (Pythagorean, double-angle, etc.)

3. Unit circle concepts

4. Basic trigonometric graphs

5. Special right triangles (30-60-90 and 45-45-90)

6. Trigonometric word problems

To prepare for the trigonometry questions on the ACT, consider these tips:

1. Memorize the basic trigonometric ratios and their relationships (SOHCAHTOA).

2. Learn the common trigonometric identities and make sure you can quickly recall them during the test.

3. Become familiar with the unit circle and be able to find the sine, cosine, and tangent values for various common angles (30, 45, 60, 90, 180, etc.).

4. Have a solid understanding of how graphing works for sine, cosine, and tangent functions, including aspects such as amplitude and period.

5. Remember the side ratios for 30-60-90 and 45-45-90 triangles to make solving questions involving these triangles easier.

6. Practice solving trigonometric word problems by translating the text into a visual format (like drawing a triangle and labeling sides or angles) to help you understand the problem better.

Overall, practicing trigonometry questions that frequently appear in ACT practice tests will be helpful in gaining a good grasp of the concepts. It's essential to apply these tips and pinpoint the specific areas where you might be struggling to make your study time more targeted and effective. Good luck with your preparation!

5 months ago

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