Simplify sec x - tan x sin x a) cos x b) cot x c) 1-csc x d) csc x

asked Apr 13, 2022 52.1k views

4 votes

Simplify
sec x - tan x sin x
a) cos x
b) cot x
c) 1-csc x
d) csc x

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1 vote

Answer:

cos x is the answer.

Explanation:

secx - tanx sinx

$(1)/(cosx) - (sinx)/(cosx) * sinx\\\\(1)/(cosx) - (sin^(2)x)/(cosx)\\\\(1-sin^(2)x)/(cosx) \\\\(cos^(2)x )/(cosx) \\\\cosx$

Joarleymoraes answered Apr 18, 2022

5.7k points

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