Given a + B = 7, show that 2 – 2 sin (a) sin (B) = cos (@) + cos? (8). %3D

Q: Could you explain sin(2x) = 0 from 0 to 2pi?

A:

Q: Find if sin x + 1 = cos y dx2

A:

Q: Evaluate /(sin x)² (sec x)-3 dx. Select one: a. sin x – cos x + C - b. csc x + cos x + C C. None of…

A:

Q: - sinx) dx 2. 1. (COSX (ax' +b)*x dx 2. 2/3

A:

Q: Simplify (cos(11t))+(cos(5t)/sin(11t)-sin(5t))

A:

Q: How does sin(2x + (pi/2)) equal cos(2x) ?

A:

Q: dy Find dif sin x + 2 cos 2y) = 1 dx

A:

Q: How does -cos(3t)sec(3t) equal -1?

A: given  -cos(3t)sec(3t) = -1

Q: Show that Cosx dx 9- Sin 3D

A:

Q: (cos2x+sin2x)+1=2  ?

A: According to the given question, cos2x+sin2x+1=2 we have to prove L.H.S=R.H.Swe take L.H.S

Q: Create a left side right side check for the following equation, cos(x) / 1-sin(x)+cos(x) / 1+sin(x)=…

A:

Q: 22х+5 3. х2+20 dx

A: We have  (3) I=∫22x+5x2+20 dx We can write as I=22∫xx2+20+5∫ 1x2+20dxI=22I1+5I2

Q: Verify: 1. (sinx – cosx)² – 1 = -sin2x %3D

A: We can verify the statement as below

Q: x cos r+ sin r -dr. Find x sin r 5.

A: The given integral,     ∫x cosx+sinxx sinxdx

Q: Find S(sin20cose + cos30)d0

A:

Q: Simplify cos²(4y) - sin²(4y)

A: