Class 11 Mathematics Trigonometrical Ratios, Functions and Identities Fundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles

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$1+\cot ^2 30^{\circ}-\sec ^2 45^{\circ}=$

AP EAMCET 2022 All AP EAMCET

A
$1$
B
$2$
C
$0$
D
$-1$

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Class 11 Questions

Class 11

Mathematics Questions

Chapter

Trigonometrical Ratios, Functions and Identities

Subtopic

Fundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles

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$\frac{{\cot^2 15^\circ - 1}}{{\cot^2 15^\circ + 1}} = $

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$\operatorname{cosec} 750^{\circ} - 2 \cot 765^{\circ}$ ની કિંમત શોધો.

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$\cos \left(-1710^{\circ}\right)$ ની કિંમત શોધો.

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એક કાટકોણ ત્રિકોણ $ABC$ માં જ્યાં $\angle C = 90^{\circ}$,$AC = BC$ છે. જો $D$ એ $AC$ નું મધ્યબિંદુ હોય,તો $\angle DBC$ નો કોટિજ્યા (cotangent) કેટલો થાય?

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