Question

If x Tan30 .Cot60 = 4Sin60 .Cos30 then x =

(a) 3 (b) 6 (c) 9 (d) 12​

Answer 1

Answer:

c) 9

Step-by-step explanation:

option c) 9 is the answer...

r u from jharkhand zone H

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

If x tan 30° . cot 60° = 4 Sin 60° . cos 30° then x =

(a) 3

(b) 6

(c) 9

(d) 12

EVALUATION

Here it is given that

x tan 30° . cot 60° = 4 Sin 60° . cos 30°

$\displaystyle \sf{ \implies x. \frac{1}{ \sqrt{3} }. \frac{1}{ \sqrt{3} } = 4. \frac{ \sqrt{3} }{2}. \frac{ \sqrt{3} }{2} }$

$\displaystyle \sf{ \implies \frac{x}{3} = 4. \frac{3}{4} }$

$\displaystyle \sf{ \implies \frac{x}{3} = 3 }$

$\displaystyle \sf{ \implies x = 3 \times 3}$

$\displaystyle \sf{ \implies x = 9}$

FINAL ANSWER

Hence the correct option is (c) 9

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