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The range of the principle cot function is |
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The range of the principle cos function is |
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The domain of the principal tan function is |
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The domain of the principle cos function is |
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The range of the principal sine function is |
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The domain of the principle sine function is |
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E-radius corresponding to < C is |
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E-radius corresponding to < B is |
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E-radius corresponding to < A is |
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R
2R
r
2r
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A circle which touches one side of a triangle externally and the other two sides produced is called ______ |
In-circle
Circum cirle
Escribed circle
None of these
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A circle drawn inside a triangle and touching its sides is called |
In-circle
Circum circle
Escribed circle
None of these
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A circle passing through the vertices of any triangle is called ______ |
In circle
Circum circle
Escribed circle
None of these
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The angle AOP which the ray from an observer's eye at O to an object at P at a lower level makes with horizontal ray OA through O is called the |
Angle of depression
Angle of elevation
Acute angle
Obtuse angle
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30 |
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