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Find all solutions to cos(7a) - cos(a) = sin(4a) on 0 Sa<
If csc(I) = 6, for 90° <I< 180°, then Preview sin() = 0 cos(1) Preview tan (3) - Preview
Use a trigonometric identity to find exactly all solutions: cos 20 = sin , 0<o<21. Enter the exact answers in increasing order. O= Edit 6 31 Edit 2 II 5a 6 Edit
and << find the exact value of 4. If cos=- 4 a. sin e 6, tan 8 5. Prove the following identity. (sinx+cos x) =1+sin 2x 6. Ifcos(x)=5, and xc IV, find the exact value of each of the following. a.sin(2x) b.cos NI
1. Use an identity to find the exact value of cos(?) given that cos(O) = { with 270° << 360°
If cos theta= square root 11/6 and tan theta < 0, find the exact value of sin the 1. If cos os (0) – VII and tan(Q) <o, find the exact value of sino).
Solve 5 sin(20) + 6 cos(0) = 0 for all solutions 0 = 0 < 27 Give exact answers or answers accurate to 3 decimal places, as appropriate
Question 1 6 pts 3 Given: tan and sin 0 <0. Find sec A. - B. con le C. D.
8. Solve the equation 1-sin = cos on the interval 03 0<21. (12 pts)