Question

if cos tita = 4/5 then find the value of codec tita

Answer 1

sin^2theta +cos^2theta = 1
thus, sin^2theta +(4/5)^2 = 1
sin^2theta = 1 - (4/5)^2
= 1 - 16/25
= 25/25 - 16/25
= 9/25
thus, sin theta = 3/5. ____taking square root

now cosec theta = 1/sin theta
thus,cosec theta = 1/3/5 _____which is 5/3
thus, cosec theta = 5/3

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Answer 2

Answer:

5/3

Step-by-step explanation:

therefore cos^2 = 16/25

we know that cos^2=1-sin^2

=> 16/25=1-sin^2   => sin^2 =1-16/25

                                          =9/25 => sin tita = 3/5

also cosec tita = 1/sin tita => cosec tita = 5/3

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