Find the value of:
2 sin² A-3 sin A+1
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siddhartharao77:
R u sure, the question is correct
2 sin² A-3 sin A+1=0
What We have to find
sry forgot to add
find magnitude of A
Answers
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2sin2A-3sinA+1
=>2sin2A-2sinA-sinA+1
=>2sinA(sinA-1)-1(sinA-1)
=>(2sinA-1)(sinA-1)
=>2sin2A-2sinA-sinA+1
=>2sinA(sinA-1)-1(sinA-1)
=>(2sinA-1)(sinA-1)
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