9. [-12.94 Points) DETAILS SPRECALC7 7.1.017. Simplify the trigonometric expression. cos(x) + sin?(x) cos(x) 10. [-12.94...
4. [-12.94 Points) DETAILS SPRECALC7 6.4.006. Find the exact value of each expression, if it is defined. Express your answer in radians. (If an answer is undefine (a) sin-20) (b) cos(-1) (c) tan-(0) 5. (-/2.94 Points] DETAILS SPRECALC7 6.4.031. Find the exact value of the expression. sedsin-::-))
1. [-12.94 Points) DETAILS SPRECALC7 6.1.040. The measures of two angles in standard position are given. Determine whether the ar 50, 3400 O The angles are coterminal. The angles are not coterminal. 2. [-12.94 Points] DETAILS SPRECALC7 6.1.028. Find the degree measure of the angle with the given radian measure. 1911 12 O 3. [-12.94 Points] DETAILS SPRECALC7 6.3.025. Find the exact value of the trigonometric function. (If an answer is undefined, enter UNDEFINE sin(32)
Find the side labeled x. State your answer rounded to 5 decimal places. 510 21 21. (-12.94 Points) DETAILS SPRECALC7 6.3.047 Find the values of the trigonometric functions of from the information given sin() - in Quadrant TV COS(O) tan(6)
show work 9. tan 37 10. sec 4 11. Find sin(x + y) and cos(x + y) if cosx = - cosy = -— x is in quadrant II and y is in quadrant III. [10] 12. Find the exact value of sin 2x and cos 2x if sin x = and cos x = - [6] 5 13. Simplify tan (x + 3) to a form involving sinx, cosx, and/or tanx. [6]
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
1. -/0.024 points LarATRMRP76.4.047. Find the exact value of the trigonometric expression when sin(u) = - *and cos(V) = - (Both u and v are in Quadrant III.) tan(u + v)
7. [-12.94 Points) DETAILS SPRECALC7 6.6.009. Use the Law of Cosines to determine the indicated side x. (Assume a = 29 and c = 32. Round your answer to one decim a В 300 8. [-12.94 Points] DETAILS SPRECALC7 6.6.029. Find the area A of the triangle whose sides have the given lengths. a = 20, b = 15, C = 25 A=
1-17 u ule exact value of the expression 1) cos? 30+ cos? 60 2) cot 45-tan 45 5-6 Use the given information to find the exact value 3) sin? 53 + cos2 53 4) cot 20 -tan 20 5) sin = , where is in quadrant 1. Find tan 6) tan 0 = - , where is in quadrant 4. Find sec 7-12 Verify the identity 7) tan sin cos 0 = sin? 8) tane = sine 9) tancos? +...
O TRIGONOMETRIC IDENTITIES AND EQUATIONS Double-angle identities: Problem type 1 3 Find sin 2x, cos 2x, and tan 2x if sinx and x terminates in quadrant III. 10 . 0/0 sin 2x = X5 ? cos 2x tan 2x L
4. [-12 Points] DETAILS OSPRECALC1 7.2.052. Rewrite in terms of sin(x) and cos(x). sin(x + **) Additional Materials eBook Sum and Difference Identities for Sine Submit Answer 5. [-12 Points] DETAILS OSPRECALC1 7.2.060. Simplify the given expression. sin(5x) cos(7x) - sin(7x) cos(5x) Additional Materials eBook Sum and Difference Identities for Sine 6. [-12 Points] DETAILS OSPRECALC1 7.2.062. Given that sin(a) = } and cos(b) = - , with a and b both in the intervaller find the exact values of...