Question

Verify : √(1-cos⁡A)/(1+Cos A) = (Sin A)/(1+Cos A) , for A = 60° .

Answer 1

Answer:

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Answer 2

Answer:

cosA=60° then:

1-cosA=1-1/✓2

1+cosA=1+1/✓2

SinA=✓3/2

so the statement becomes ✓(1-1/✓2)(1+1/✓2) = (✓3/2)/(1+1/✓2)

=> 1-1/2

=> 2-1/2

=>1/2