Question

Value of 3 sino = 1, then value of 2cosocoseco is
a) b)
c) 412
d)​

Answer 1

Answer:  4√2

mark as brainliest

Step-by-step explanation:

3 sin Θ = 1

or, sin Θ =1 /3

Then,

cos Θ = √ (1- sin²Θ) = √( 1-1/9) = √8/9   = 2√2 /3

and, cosec Θ = 1/sinΘ = 3

Now,

2cos Θcosec Θ= 2 *  2√2 /3 * 3 = 4√2