Question

Asked Oct 18, 2019

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If csc(x)=3,for 90∘ <x<180∘,then:

sin (x/2)=

cos (x/2)=

tan (x/2)=

Use a half angle formula to fill in the blanks in the identity below:

(cos(4x))2=_________ +___________cos(_________x)

Step 1

Given function is

Step 2

To find out

Step 3

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