prove that :
sin a( 1 + tan a ) + cos a ( 1 + cot a ) = sec a + cosec a
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Step-by-step explanation:
considering LHS = sina(1+tana) + cosa (1 + cota )
= sina ( 1 + sina / cosa) + cosa ( 1 + cosa / sin a)
= sina ( cos a + sina / cos a) + cosa ( sina + cosa / sin a )
= sin2 a + sin a . cos a / cos a + cos2a + sina . cos a / sin a
= pls solve half
sry i cant solve further
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