Apply Basic and Definitional Identities

Practice Questions

Trigonometry › Apply Basic and Definitional Identities

Questions

8

1

Express $\frac{1}{\sec x \csc x \tan x}$ in terms of only sines and cosines.

2

Express $\sec x\tan x+\frac{\cot x}{\csc x}$ in terms of only sines and cosines.

3

Which of the following trigonometric identities is INCORRECT?

4

Using the trigonometric identities prove whether the following is valid:

$\frac{\csc^{2}A}{\sec^{2}A} = \cot^{2}A$

5

Which of the following is the best answer for $cos^2(\theta)$ ?

6

State $\tan x$ in terms of sine and cosine.

7

Simplify.

$\sin(-x)\cos(-x)\tan(-x)$

8

Which of the following identities is incorrect?

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