symone0914 symone0914

30-12-2023
Mathematics

contestada

prove the identity
sin( pi/2 + theta) = cos theta

prove the identity sin pi2 theta cos theta class=

Respuesta :

30-12-2023

Answer:

You need to use the sin(a+b) trigonometric identity.

Step-by-step explanation:

sin(pi/2 + theta) = sin(pi/2)cos(theta) + cos(pi/2)sin(theta)

= 1*cos(theta) +0*sin(theta)

= cos(theta)

Answer Link

Otras preguntas

The midpoint of (-3,4) and (5,2)

A woman has twice as many dimes as quarters in her purse. If the dimes were quarters and the quarters were dimes, she would have $1.20 more than she now has. Ho

A survey of patients at a hospital classified the patients by gender and blood type, as seen in the two-way table. Blood Type Male Female TOTAL A 105 93 198

Suppose five years from now that the ranching industry is in long-run equilibrium at 70 cents per pound. graphically illustrate what that would look like for th

Which is an equation of the given line in standard form? (-4, -1) and (1 1/2, 2) A.) -11x + 6y= -13 B.) -6x + 11y = 13 C.) -6x + 11y= -13 D.) -6x + 7y= -17

if Mary had 7 apples and Bobby had 80 apples how many apples how many would there be all together

I have 10 distinguishable socks in my drawer: 4 white, 4 brown, and 2 blue. In how many ways can I choose a pair of socks, provided that I get two socks of the

The mongol empire could be a dangerous place. how was it that marco polo could travel freely throughout its territories

Where might you find signs of the ice age in New England

Heated lithium atoms emit photons of light with an energy of 2.961 × 10−19 j. what is the energy of 1.00 mol of these photons?