when 0 < theta < 90°, solve :
1) cos ø/ 1- sinø + cos ø /1- sin ø =4
2) cos²ø -3cos ø +2 / sin²ø =1
3) 2 sin²ø =1/2
can someone help me solve this question? this is grade 10 maths. Thanks<3
Answers
Brainly is a Polish education technology company based in Kraków, Poland, with headquarters in New York City. It provides a peer-to-peer learning platform for students, parents, and teachers to ask and answer homework questions. The platform has elements of gamification in the form of motivational points and ranks. It encourages users to engage in the online community by answering other users’ questions. As of November 2020, Brainly reported having 350 million monthly users, making it the world's most popular education app.
Step-by-step explanation:
792-1=791, 791-7=784, 784-19= 765, 765-37=728, 728-61=667, 667-91=576, 576-127=449, 449-169=280,80-217=63.
The next number to be subtracted is 331 which is greater than 63.
The remainder got is not zero.
∴ 792 is not a perfect cube.