sitachapagain635 sitachapagain635
  • 03-08-2021
  • Mathematics
contestada

plz hep me to prove the following relations:​

plz hep me to prove the following relations class=

Respuesta :

Аноним Аноним
  • 03-08-2021

Step-by-step explanation:

[taking alpha = a]

L.H.S.

(1-sin⁴a)/cos⁴a

= 1/cos⁴a-sin⁴a/cos⁴a

= sec⁴a-tan⁴a

= (sec²a+tan²a)(sec²a-tan²a)

= (1+tan²a+tan²)(1) [as sec²a=1+tan²a]

= 1+2tan²a

= R.H.S. [Proved]

Answer Link

Otras preguntas

What is the definition of indespicable?
one kind of starfish has 5 arms.how many arms are on 21 starfish
a football player running for a touchdown is what energy
sum of eigth hundred plus six
Why is a bond with a higher interest rate often considered a higher risk investment?
what is the product of 49 and 22
Which of the following is true about the campaign of the summer of 1778? Monmouth was a decisive American victory. Washington stayed at Valley Forge watching th
What is the value of the x variable in the solution to the following system of equations? 4x + 2y = 12 x – y = 3
solve 7234 times 1000 show your work
what is the perimeter of a rctangle with an area of 48 square inches?a) 38 inchesb) 24 inchesc) 48 inchesd) 30 inches