Mathematics

# IfA,B,C are the interior angles of triangle ABC, then prove that $\cos ec\left( {\frac{{c + a}}{2}} \right) = \sec \left( {\frac{B}{2}} \right)$

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Subjective Medium Published on 09th 09, 2020
Questions 120418
Subjects 10
Chapters 88
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#### Realted Questions

Q1 Subjective Medium
Find the complements of the following angles:-
a) ${45^ \circ }$
b) ${8^ \circ }$
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d) ${25^ \circ }$
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Asked in: Mathematics - Lines and Angles

1 Verified Answer | Published on 09th 09, 2020

Q2 Subjective Medium
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Q3 TRUE/FALSE Medium
State true or false:
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1 Verified Answer | Published on 09th 09, 2020

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Asked in: Mathematics - Lines and Angles

1 Verified Answer | Published on 09th 09, 2020

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In $\Delta ABC,$ if $\angle A = 40^{\circ}$ and $\angle B = 60^{\circ}.$ Determine the longest and shortest sides of the triangle.

Asked in: Mathematics - Lines and Angles

1 Verified Answer | Published on 09th 09, 2020