if cos A=4/5 then tanA/2 is
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Answered by
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Just take it simple.
Consider a right-triangle ABC
Given: cosA=4/5
=BASE/HYPOTANEOUS =4/5
By Pythagoras theorem:
Triangle will be
BASE=4 PERPENDICULAR=3 HYPOTANEOUS=5
Now tanA = PERPENDICULAR/VASE
tanA=3/4
Hope it helps!
sarthaksports2:
Now you can calculate tan(A/2) by:
Tan(A) = 2Tan(A/2)/Tan²(A/2)
Answered by
2
Answer:
If cos A = 4/5, then sin A = 3/5 and tanA = 3/4.
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