If sin@-cos@ = 1/2
Then find the value of 1/ sin@ + cos @
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Sin^2a + Cos^2a=1
Cos^2a=1-Sin^2a
Sin^2a + Cos^2a - 2SinaCosa= 1/4 (squaring the given eqn)
1-Sin2a=1/4
3/4=2sina cos2----------------------------------------(1)
(Sina + cosa)^2=1+2sinacosa = 7/4
sina +cos a = sqrt(7)/2
Cos^2a=1-Sin^2a
Sin^2a + Cos^2a - 2SinaCosa= 1/4 (squaring the given eqn)
1-Sin2a=1/4
3/4=2sina cos2----------------------------------------(1)
(Sina + cosa)^2=1+2sinacosa = 7/4
sina +cos a = sqrt(7)/2
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