# trigonometry to formulas list problems basic table questions

Trigonometry To Formulas List Problems Basic Table Questions

Chapter 8 : Introduction To Trigonometry Table and Formulas List Basic Questions or Problems

## Chapter 8 : Introduction To Trigonometry

### TAKE A LOOK:

2. Relationship between different trigonometric ratios

3. Trigonometric Identities.

4. Trigonometric Ratios of some specific angles.

5. Trigonometric ratios of complementary angles.

### Level – 1

1. If θ and 3θ-30° are acute angles such that sinθ=cos(3θ-30°),then find the value of tanθ

Ans.cosr9

### Level - 2

8. In a right angle triangle ABC,right angled at B, if tanA=1, then verify that 2sinA cosA = 1.

9. If tan (A-B)=√3, and sinA =1, then find A and B.
Ans:90°& 30°

### Level - 3

7. Prove that sinθ/(1-cosθ) + tanθ/(1+cosθ) = secθcosecθ + cotθ.

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