if cos A =2/5 find the value of 4+4 tan squarA
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given, cosA =2/5
4+4tan(sq)A=?
we know that, 1 + cos sq A=tan sq A
then 4+4(1+cos sq A)
4+4(1+2/5)
= 4+4×7/5
=4+28/5
=20+28/5
=48/5 ans
this may yr ans
4+4tan(sq)A=?
we know that, 1 + cos sq A=tan sq A
then 4+4(1+cos sq A)
4+4(1+2/5)
= 4+4×7/5
=4+28/5
=20+28/5
=48/5 ans
this may yr ans
Answered by
1
CosA = 2/5.
BC = √21
4+4*tan²A
4+4*21/4 = 4+21 = 25.
Hope it helps you.
If so please mark it as brainliest.
BC = √21
4+4*tan²A
4+4*21/4 = 4+21 = 25.
Hope it helps you.
If so please mark it as brainliest.
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