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Grade: 11
        SOLVE :- sin(inverse)2a(sqr)/(1+a(sqr))  +  cos(inverse)(1-b(sqr))/(1+b(sqr))  =  2tan(inverse)x
one year ago

Answers : (1)

Jayanth Kasaraneni
50 Points
							
=sin(inverse)2a(sqr)/(1+a(sqr)) + cos(inverse)(1-b(sqr))/(1+b(sqr)) = 2tan(inverse)x
=2tan(inverse)a+2tan(inverse)b=2tan(inverse)x
=tan(inverse)a+tan(Inverse)b=tan(inverse)x
=tan(inverse)(a+b/1-ab)=tan(inverse)x
=(a+b)/(1-ab)=x
 
one year ago
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