29-07-2014
Mathematics

Answered

prove that[tex]sin 5x+sin3x/cos5x+cos3x=tan4x[/tex]

Answer :

29-07-2014

sin5x + sin3x = 2sin4x.cosx
cos5x + cos3x = 2cos4x.cosx
so [tex] \frac{2sin4x.cosx}{2cos4x.cosx} [/tex] = [tex] \frac{sin4x}{cos4x} [/tex]
= tan4x

Answer Link

Other Questions

The half-life of silicon-32 is 710 years. If 30 grams is present now, how much will be present in 300 years? (Round your answer to three decimal places.)[tex]\[

The following neurotransmitters are excitatory:A. Histamine, GABA, and NorepinephrineB. Dopamine, Serotonin, NorepinephrineC. Acetylcholine, GABA, and DopamineD

Which of the following companies offers the greatest total employment compensation?\begin{tabular}{|c|c|c|c|c|}\hline & Company A & Company B & Comp

Aimee is visiting her stylist because she wants a new look. She explains to her stylist that she wants a haircut that is short on the sides with a bit more volu

Which of the following statements is FALSE?A. All of these choices are false.B. If X and Y are independent, Variance of (X Y) = Variance of X + Variance of YC.

Select the correct answer.Consider the following equation:[tex]\[ -16p + 37 = 49 - 21p \][/tex]Select the equation that has the same solution as the given equat

List the four determinants of productivity and explain what each one means.

Rewrite the following integral using partial fractions:[tex]\[ \int \frac{3x+5}{(x+1)(x-1)^2} \][/tex]Break it down into:[tex]\[ \int \frac{A}{x+1} + \frac{B}{x

Which of the following statements defines the relationship between fashion and style?A. Style is about ambivalence of status while fashion is about ambivalence

Premchand munshi charitrik visheshta

what is 660 rounded to nearest percent

HOW DO YOU SAY STYLISH SLOTH IN SPANISH

give an example of one inherited disease

Is Emily Davison a terrorist or a freedom fighter? Use evidence to explain your reason. please help and respond back ASAP

Is Emily Davison a terrorist or a freedom fighter? Use evidence to explain your reason. please help and respond back ASAP

Which structure provides energy to the cell? A. cytoskeleton B. mitochondria C. ribosomes D. endoplasmic membrane

Which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7? 1- y=5x+53 2- y=-1/5x -7 3- y= -1/5x +1 4- y= 1/5x +5

What are 6 differences and similarities between fiction and non fiction

6x-4y=54 -9x+2y=-6 substitution

What is the difference between chyme and bile?