In a - ABC- if b - 16- c - 20 and sin A - 35- then a -

The correct option is A 12 In ABC,b=16,c=20 sin A=35cos A=45 AS we know that a^2=b^2+c^2 2 a b cos A=16^2+20^2 2(16)(20)×45=256+400 512=144 ...

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If Two Sides of a Triangle Are Unequal, Then the Angle Opposite to the Greater Side Is Greater Than Angle Opposite to the Smaller Side

In a Δ ABC,...

Question

In a $Δ A B C$ , if $b = 16, c = 20$ and $sin A = \frac{3}{5}$ , then $a =$

12

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13

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14

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None of these

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Δ A B C,

a = 13 c m, b = 12 c m, c = 5 c m,

sin \frac{A}{2} =

Δ A B C

s i n A

Δ A B C

5 \times s i n A = 3

∠

∠

∠

$Δ A B C$ is right angled at B and $5 \times s i n A = 3$ . Find cos C + tan A + cosec C.

$(- 7) + (- 9) + 12 + (- 16) = ?$
$(a) - 20$
$(b) 20$
$(c) - 12$
$(d)$ none of these

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