SOLUTION: Can you prove the following identity algebraically.
Sec x — cos x = sin x tan x
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Question 1152016: Can you prove the following identity algebraically.
Sec x — cos x = sin x tan x
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
sec (x) - cos( x) = sin( x) tan( x)
manipulate left side:
...................use identity
=......common denominator is
=
=.......use identity =>
=......write as
=.......use identity
=
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