Math, asked by khushichauhan250306, 2 months ago

please solve
I m not able to go till end solution of the question

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Answered by NewGeneEinstein
3

Answer:

k=6

Step-by-step explanation:

\\ \sf{:}\dashrightarrow  \frac{ \cos(20) }{ \sin(70) }  +  \frac{2 \cos( \theta) }{ \sin(90 -  \theta) }  =  \frac{k}{2}  \\ \\ \sf{:}\dashrightarrow  \frac{ \cos(20) }{ \sin(90 - 20) }  +  \frac{2 \cos( \theta) }{ \cos( \theta) }  =  \frac{k}{2}

\\ \\ \sf{:}\dashrightarrow  \frac{ \cos(20) }{ \cos(20) }  + 2 =  \frac{k}{2}

\\ \\ \sf{:}\dashrightarrow 1 + 2 =  \frac{k}{2}

\\ \\ \sf{:}\dashrightarrow 3 =  \frac{k}{2}

 \\ \\ \sf{:}\dashrightarrow k = 2 \times 3

\\ \\ \sf{:}\dashrightarrow k = 6

Answered by artisinghal1122
1

please make me brilliant

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