Please help.....
If sinA=3/5,find the value of (tanA+secA)^2.
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Answer:
(tanA+secA)²=4
Step-by-step explanation:
sinA=3/5- - -1
sinA=perpendicular/hypotenuse-- -2
on comparing 1&2 we get
perpendicular=3
hypotenuse=5
usin Pythagoras theorem we get
base= 4
tanA=perpendicular/base
=3/4
secA=hypotenuse/base
=5/4
(tanA+secA)²=[(3/4)+(5/4)]²
=(8/4)²
=2²
=4
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