(1+sin/1-sin)^1/2 +(1-sin/1+sin)^1/2 =2sec

1.	(1+sin/1-sin)^1/2 +(1-sin/1+sin)^1/2 =2sec
Answer» (1+sinA)1/2\xa0/ (1-sinA)1/2\xa0\xa0+ (1-sinA)1/2\xa0/ (1+sinA)1/2multiply up and down by (1+sinA)1/2\xa0* (1-sinA)1/2 we get(1 + sinA +1 -sinA)/\xa0(1+sinA)1/2\xa0*(1-sinA)1/2=2 / (1-sin2A)1/2=2/cosA=2secA =Rhs

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