if cosA=2/5, then find the value of 4+4tan^2A
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Answered by
8
4+(sinA /cosA) ^2
4+4[square root 21/(2/5)]^2
4+4(525/4)=529
=529
4+4[square root 21/(2/5)]^2
4+4(525/4)=529
=529
venkat4613:
weong
wrong
25 I think It is correct answer
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what
this cos=2/5 what you see?
cosA =3/5 nahi hai jo appne sinA=4/5 likh diya
yeah
Answered by
7
sin =4/5
4+4 (4/5)^2
4+4 (16/25)
4+64/25
100+64/25
164/25
4+4 (4/5)^2
4+4 (16/25)
4+64/25
100+64/25
164/25
wrong answer
wtf
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