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

Saturated fatty acids are different to unsaturated fatty acids because they?

Apple's 9 percent annual coupon bond has 10 years until maturity and the bonds are selling in the market for $890. The firm's tax rate is 36 percent. What is th

What factors should be considered by the product owner in the release decision (select four)?

describe the ways to protect the nutrients ?

How many cars can be washed with 1 gallon of soap if 100oz Can wash 11 cars?

How could you prepare 4-methyl-3-hexanone from ketone containing no more than six carbon atom?

I need help with this question

One drink of an alcoholic beverage contains approximately how many kcal? a. 150 to 200 b. 50 to 100 c. 200 to 300 d. 100 to 150

What are the solutions to the system of equations? {−x+y=4y+12=x2+x

Triangle ABC has been rotated 90° to create triangle DEF. Using the image below, prove that lines BC and EF have the opposite and reciprocal slopes. You must sh