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Proving-Identities
Proving-Identities Questions
How do you show that the equation #1-sinx=cosx# is not an identity?
How do you prove #Sin^2x-sin^2y=sin(x+y)sin(x-y)#?
Cscx/cotx+tanx= cosx?
Prove that #(sinx-1)/(sinx+1)=(-cos^2x)/(sinx+1)^2#?
How do you prove #(1 + sinx + cosx)/(1 + sinx - cosx) = (1 + cosx)/sinx#?
How do you verify the identity # tan(x/2 + pi/4) = secx + tanx#?
How do you verify the identity #cos 4x + cos 2x = 2 - 2 sin^2 2x - 2 sin^2 x#?
How do you prove #cos (2x) / (1-sin 2x) = (1 + tan 2x) / (1-tan 2x)#?
How do you verify the identify #cotthetasectheta=csctheta#?
How do you prove #Sec^2 (theta) / (1 + tan^2 (theta) )= 1#?
How do you prove #(secx+tanx)((1-sinx)/cosx)=1#?
How do you verify the identity: #cosx cscx/cot^2x=Tanx#?
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