Question

if tana 3/4 then prove Sina*cosa=12/25








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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

find 'H' by using Pythagoras theorem

therefore, we get

P=3, B=4, H=5

then use simple multiplication to find the answer as

sina*cosa = (3/5)*(4/5)

= 12/25

hence, rhs = lhs