1 answer

How do you solve for the exact solutions in the interval [0,2pi] of #cos x = 0#?

Question:

How do you solve for the exact solutions in the interval [0,2pi] of #cos x = 0#?

Answers

#x=pi/2# and #x=(3pi)/2#

Explanation:

As seen from the graph of #cosx#, #cosx=0# for #x=pi/2# and #x=(3pi)/2# in the range #0<=x<=2pi#

graph{cosx [-8, 8, -4, 4]}

.

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