(sec+tan)(1-sin)=??!?!?!?!?
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Answer:
1 is the ans.
Step-by-step explanation:
(sec + tan )(1-sin)=
sec=1 by cos
tan=sin by cos
=1/cos+sin/cos×(1-sin)
=(1+sin)(1- sin)/cos
=(1-sin^2)/cos.
=cos/cos
=1
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