Grade 11Trigonometry
if tan alpha/2 & tan beta /2n =1:root 3 show that cos square =2 cos alpha -1/2cos alpha
if tan alpha/2 & tan beta /2n =1:root 3 show that cos square =2 cos alpha -1/2cos alpha
1 Answer
Arun
Dear student
Please check this question as
You have not mentioned the angle in proving part
cos square (ANGLE)
please specify or you can attach an image too
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