Math, asked by khanrk7700, 1 year ago

If cos A=2over5,find the value of 4+4tan sq.A

Answers

Answered by Udaykant
1
cosA=2/5
then 4+4tanA=4(1+tan²A)
=4sec²A
=(4×25)/4
=25

25 is the value of 4+4tanA
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