seems pretty straightforward. Where do you get stuck?
Your trig text has all the special angles, and the rest you can do on your calculator.
The only trick is to
(a) convert ° ' " to °
35°21'45" = 35 + 21/60 + 45/3600 = 2829/80 °
(b) recall that cotx = 1/tanx
1. Use special right triangles to state the value of the 6 trig functions for 30 degrees, 45 degrees and 60 degrees.
2. Use the calculator to evaluate the value of the following trig functions.
sec 54^o 23’
cot 35^o 21’ 45’’
1 answer
1 answer