Asked by Opeyemi

If x is an acute angle and tan x = 3/4
Evaluate : cos x - sin x
cos x + sin x
Answered by oobleck
tanx = 3/4
draw the triangle, and you can see that the hypotenuse is 5, so
sinx = 3/5
cosx = 4/5
Now just use those values in your expression.
Answered by Opeyemi
Word~bard
Answered by Happy
Help me to work it out

I don't understand




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