Chesaina
Chesaina Chesaina
  • 02-11-2021
  • Mathematics
contestada

prove that SinA×tanA/1-CosA=1+secA​

Respuesta :

aiesharehana
aiesharehana aiesharehana
  • 02-11-2021

answer in the image....

hope it helps!!

Ver imagen aiesharehana
Answer Link
Аноним Аноним
  • 02-11-2021

Answer:

Below.

Step-by-step explanation:

SinA×tanA/1-CosA

As tanA = sinA / cos A we have

sin^2A / cosA(1 - cosA)

= (1 - cos^2A) /  cosA(1 - cosA)

= (1 - cosA)(1 + cosA) / cosA(1 - cosA)

= (1 + cosA) /cos A

= 1 + 1/cosA

= 1 + secA.

=

Answer Link

Otras preguntas

Is 26 a perfect square?
How was Martin Luther King a significant figure in the Civil Rights Movement?
The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass of the block? Hint: 1 m3 = 1,000,000 cm3. Give your an
How do you divide. Please help I can't remember.
what is the difference and similarity between a pentagonal prism and a pentagonal pyramid?
which is an example of a physical change* metal rusting*silver tarnishing* water boiling* paper burning
2+3=8, 3+7=27, 4+5=32, 5+8=60, 6+7=72, 7+8=???????? SOLVE IT IF YOU CAN
Shandra's cat is 23.4 cm tall and 38 cm long. Express these lenghts in metres and in millimetres. Someone help me , I really need it for tomorrow and please exp
Rick has a collection of 6 video games. He let's his best friend borrow 2/6 of his video game collection. Write two fracations a equivalent to this numbet. Expl
how many yards in a mile?