Practice Trigonometric Identities (8.4) - INTRODUCTION TO TRIGONOMETRY

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8 questions

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6 sample questions

Question 1.
State the Pythagorean identity.
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Think about the relationship of sides in a right triangle.
Question 2.
What can you derive if tan A = 4?
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Use the identity relating all three ratios.
3Question 3.
What is the Pythagorean identity?
- tan² A + cot² A = 1
- cos² A + sin² A = 1
- sin² A + sec² A = 1
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Think about the right triangle sides.
4Question 4.
Is the statement true: 1 + cot² A = csc² A?
- True
- False
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This relationship is derived from identities.
Question 5.
If tan A = 4/3, find all the trigonometric ratios using the identities.
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Start by determining the triangle dimensions.
Question 6.
Prove the identity: 1 + tan² A = sec² A by using geometrical representation.
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Work through the triangle's sides.

4 more questions in this section. Enroll free to practise them all.