Question

√1+cos*/√1-cos*pls solve

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Answer 1

Answer:

Answer:it's out of my mind

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Answer 2

Answer:

we know that cos 2θ=2cos^2θ-1 or 1-2cos^2θ

hence using these information we can write half angle formula as:

   

•      cosθ=(2cos^2θ/2)-1    or   1+cosθ=2cos^2θ/2    ......(1)

similarly,

•               1-cosθ=2sin^2θ/2    ........(2)

               

Step-by-step explanation:

hence putting values in this equation we got,

>>>          √2(cos^2θ/2)/√2(sin^2θ/2)

>>>          (cos θ/2)/(sin θ/2)            {DIVIDING ⇒√2 ON NUMERATOR AND  

                                                                                 DENOMINATOR}        

>>>            cot θ/2            ........ (ANSWER)

I HOPE IT HELPS.