Write the expression as a single function of a. cos (90° - a) Choose the correct...
Find the exact value of the expression. sin (30) sin(90°) - cos (30) cos(90°) = Find the exact value of the expression. sin( – 45° ) sin( - 30°) = [ Write each expression as a single trigonometric function. sin(7x)cos(3x) – cos(7:c )sin(32) = Write each expression as a single trigonometric function. cos(6.c )cos(3x) - sin(62) sin(30) = Write each expression as a single trigonometric function. cos(7x)cos (4:0) + sin(78) sin(4x) =
Use an identity to simplify the following expression. tan 9° 1 - tan?9° Choose the correct expression equal to tan 9° below. 1-tan 290 O A. sin 18° OB. 1 cos 90 O C. 1 tan 18° OD. 1 3 tan z tan gº
Use an identity to write the expression as a single trigonometric function. 1 - cos 86° sin 86° 1 o cos 86° sin 86° 11 (Simplify your answer.)
can someone solve this?
Write the expression in terms of sine and cosine, and then simplify so that no quotients appear in the final expression. sin? (1 - csc2 e) Choose the correct answer below. OB. sin e OA. 1 sin? O C. tan? 0 O E. cos? OD. cote OF. - cos?
Write the following expression as a single trigonometric function or a power of a trigonometric function. sec B tanp CSCB Choose the correct answer below. o tan’B sin? Click to select your answer. Previous
9. Write the given expression as a sin 2x 1-cos 2x single trigonometric function 10. Solve for x. 2cos'x-cos x 1
9. Write the given expression as a sin 2x 1-cos 2x single trigonometric function 10. Solve for x. 2cos'x-cos x 1
please help!!
Use an identity to write the expression as a single trigonometric function. + cos 1340 2 1 + cos 134 O = (Type an exact answer.) N
This Question: 3 pts 4 of 10 (1 complete) Prove the identity 1 + cos 90 cos 38+ sin 9e sin 38 = 2 cos (38) Notice that the left side of the identity contains two products of trigonometric functions. Rewrite these products using the product to sum identities. Choose the correct answ OA 13(cos 68 + cos 128) + (cos 68 - cos 128) OB. 1 (sin 68 - ein 120) • (ain 88 + sin 128) OC. 1...
Write the following expression as a single trigonometric function or a power of a trigonometric function. sec2x-1 Choose the correct answer below.
Simplify cos? (t) to an expression involving a single trig function with no fractions. 1 - cos? (t) If needed, enter squared trigonometric expressions using the following notation. Example: Enter sin(t) as (sin(t)).