Question

cosec O=2 find the value of 1-5eco upon coso​

Answer 1

Answer:cosec∅ = 2

so, sin∅ = 1/2 , cos∅ = √3/2 { when we assume ∅ is an acute angle }

tan∅ = 1/√3

now ,

1/tan∅ + sin∅/(1+cos∅)

= 1/(1/√3) + (1/2)/(1+√3/2)

= √3 + 1/(2+√3)

= (4+2√3)/(2+√3)

= 2(2+√3)/(2+√3)

= 2

Step-by-step explanation: