Answer:
Please go more into depth with this question
note that :
cot150 = 1/tan150
cos390 = cos(360+30) = cos30
Answer: Answer Bellow
Step-by-step explanation: To check yourself, multiply 6.0 x 105 times 4.0 x 103 on your calculator. Your answer should be 2.4 x ...
The diagonals of square pqrs are each others parallelogram