riri45
riri45 riri45
  • 03-02-2018
  • Mathematics
contestada

prove that siny tany +cosy=secy

Respuesta :

annastasia
annastasia annastasia
  • 03-02-2018
sinu x siny/cosy + cosy

= (sin^2 y + cos^2 y)/cosy

= 1/cosy

= secy
Answer Link

Otras preguntas

12x-4=17x+8 please help me
What is the biography of William penn??? I need help please
Lake Alice is filled with alligators and turtles. The number of turtles is 16 less than 3 times the number of alligators in the lake. There are 200 reptiles tot
Read this excerpt from The Great Fire. Schaffer's first signal went out at 9:30. Several minutes later, Schaffer realized his mistake and ordered Box 319 struck
PLEASE HELP!!! If you can help I will really appreciate it!!
6.8x+9.3=-9.4+3.4(2-5x) i need to know the steps to get to it if anyone can help asap thx
What is the biography of William penn??? I need help please
Why Did the flying saucer have ufo printed on it
The fossil record shows that early species of horses were generally ______ in size, but many lineages since about 30 million years ago exhibit substantial chang
Concept Check 10. Describe What can fossils tell us about ancient environments?