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Mathematik-Online problems:

Problem 902: Trigonometric Functions

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Evaluate the following trigonometric functions (without using a calculator).

(a)
$ \tan 150^\circ$.
(b)
$ \cot \frac{7 \pi}{4}$.
(c)
$ \sin 300^\circ$.
(d)
$ \sec 510^\circ$.
(Author: Rafee )

see also:

[Solutions]
  automatisch erstellt am 2. 12. 2004