subject
Mathematics, 24.07.2021 17:10 maltbie1283

cho tam giác ABC vuông tại A < góc B=a chứng minh: a) 1+tan^{2}a=\frac{1}{sin^{2}a }

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.
Answers: 1
question
Mathematics, 21.06.2019 15:00
2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.
Answers: 2
question
Mathematics, 21.06.2019 15:50
Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.
Answers: 3
question
Mathematics, 21.06.2019 17:10
Find the value of x for which the lines are parallel.
Answers: 1
You know the right answer?
cho tam giác ABC vuông tại A < góc B=a chứng minh: a) 1+a=...
Questions
question
Mathematics, 16.10.2020 17:01