Trigonometric ratios for 45 degrees
Trigonometric ratios for 45 degrees
Trigonometric Ratios for 45 Degrees: Value for the Trigonometrical Ratios for certain angle such as ,
,
and
are commonly called standard angles and the trigonometrical ratios of these angles are frequently used to solve particular angles. In this section we will derive the value of trigonometric ratios for
.
| sin A | cos A | tan A | cosec A | sec A | cot A | |
| 1 |
Illustration: Simplify the given expression
Solution: To solve this expression we will substitute the value of the ratios at
If | |||
| Right Option : C | |||
| View Explanation | |||
Solve the following expressions : | |||
| Right Option : A | |||
| View Explanation | |||
| Right Option : D | |||
| View Explanation | |||
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