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Question

Given sinA=35 and tanA is 3m, then m is:

A
1
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B
2
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C
4
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D
3
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Solution

The correct option is B 4
Given sinA=35
sinA=PB=35
Thus, P=3,H=5
By Pythagoras Theorem,
H2=P2+B2
52=32+B2
B=4 cm
Now, tanA=PB=34

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