-57 if you keep following the pattern
The answer is C because 90-55 is 35 and 90+55+35=180
Answer:
1000
Step-by-step explanation:
It's right
It all depends upon what other things are given If hypotenuse is not given, in cosine or reciprocals are useless. In that case only tan and cot will be equally convenient if adjacent sides are given.