IV BEEN WORKING ON THESE QUESTIONS FOR A VERY LONG TIME AND I CANT GET THE ANSWERS.
A) CALCULATE SIN225+COS120-TAN(-330)
B) (COS30)(COS30)=(SIN30)(SIN30)
I DONT KNOW HOW BUT LEFT HAS TO BE EQUAL TO RIGHT FOR PART B
Hello, Viviana!
You're expected to know the trig values of "standard angles."A) Calculate: .
. .
That is quite impossible . . . equivalent to:. ??
I DONT KNOW HOW BUT LEFT HAS TO BE EQUAL TO RIGHT FOR PART B
AND TAKE OFF YOUR CAPS-LOCK.
. . IT'S IMPOLITE TO SHOUT.