How do you solve # tan x sec x = 0#?

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How do you solve # tan x sec x = 0#?

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Answer 1 · 2018-03-07T15:20:43

#x = kpi, k# any integer

Explanation:

#tanx secx=0#
#sinx/cosx xx 1/cosx=0#
#sinx/cos^2 x = 0#
#sinx = 0#
#x = kpi, k# any integer

Answer 2 · 2018-03-07T15:20:45

#x=kpi, kinZZ#

Explanation:

If #tan(x) * sec(x)=0#
then
#color(white)("XXX") {: (tan(x)=0," or ",sec(x)=0), (rarr x" is a multiple of "pi,,"not true for any real value of "x) :}#

Here is a graph with #color(green)(tan(x))# and #color(red)(sec(x))# for verification:
enter image source here

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How do you solve # tan x sec x = 0#?

2 Answers

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