SOLUTION: I need help with these questions! Thank you so much! 1. Express sec 0- sin0tan0 in terms of cos 0. a. cos0 b.1/cos^2(0) c.1/2cos(0) d.-cos(0) 2. Find the exact value of sin

Algebra ->  Trigonometry-basics -> SOLUTION: I need help with these questions! Thank you so much! 1. Express sec 0- sin0tan0 in terms of cos 0. a. cos0 b.1/cos^2(0) c.1/2cos(0) d.-cos(0) 2. Find the exact value of sin      Log On


   

Question 437308: I need help with these questions! Thank you so much!
1. Express sec 0- sin0tan0 in terms of cos 0.
a. cos0
b.1/cos^2(0)
c.1/2cos(0)
d.-cos(0)
2. Find the exact value of sin(60 degrees + 45 degrees)
a. (square root 6-square root 2)/4
b. (square toot 6+square root 2)/4
c.1/2
d.(square root 6-square root 2)/2
3. Find the exact value of (sin 138degrees)(cos 132degrees) + (cos 138degrees)(sin 132degrees)
a. 1
b. 0
c. -1
d. 1/2
4.Simplify cos(alpha + (pi/3))
a. cos alpha +1/2
b. 1/2cos alpha - square root 3/2 sin alpha
c. 1/2cos alpha + square root 3/2 sin alpha
d. square root 3/2 cos alpha-1/2 sin alpha
5. Write sin3x cos4x + cos3x sin4x in terms of a single trigonometric function.
a. square root 3
b. 0
c. undefined
d. 1
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
Don't worry about the question . They are not that important Try to find the answers.
You get credit for the answers not the questions.