Math, asked by harshita2092, 1 year ago

sin (70+@)- Cos (20-@)=2
prove that LHS=RHS

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khusshimittal22: it should be equal to 0

khusshimittal22: or have + between them

harshita2092: hmm

khusshimittal22: plz recheck

Anonymous: hello

Micromax156: hello

RahulManey: hiiiii

Answers

Answered by NeelamG

2

in statement RHS should be 0

sin(70+theta)-cos(20-theta) = 0

LHS

sin(90-20+theta) - cos(20-theta)

=sin(90-(+20-theta)) - cos(20-theta)

= cos(-20+theta) - cos(20-theta)

= cos(20-theta)-cos(20-theta)

= 0 = RHS

NeelamG: check statement Right hand side should be zero

NeelamG: i hope it help u

harshita2092: thanks you

harshita2092: helped me a lot

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