Trigonometric ratios for 90 degrees
Trigonometric ratios for 90 degrees
Trigonometric Ratios for 90 Degrees and 0 Degrees: In a triangle it is not possible to draw an angle as 0 degree. Moreover there can not be two angle which are 90 degree in a triangle. In at triangle ABC right angled at B. If we say that angle is nearly 0degree then angle A will be near to 90 degree as sum of angle of a triangle is 180 degree.
[ Angle Sum Property]
And if
then
As [ Each
]
Therefore BC = AC [ Sides opposite equal angles are equal]
and side AB = 0
For
Thus, Adjacent = BC, Opposite = AB and hypotenuse =AC.
Simplify the given expression : | |||
| Right Option : D | |||
| View Explanation | |||
| |||
| Right Option : B | |||
| View Explanation | |||
Evaluate : | |||
| Right Option : A | |||
| View Explanation | |||
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