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1. sin(x) as a vector: Find the normalised vectors w1* , w2* , w3* , ...

• Replies: 1
• Views: 258
Last Post: 11-20-2018 01:18 PM
by j-astron

Forum:
Calculus

2. Calculate a side in a non-right angled trangle

• Replies: 5
• Views: 383
Last Post: 09-21-2018 08:48 PM
by sinx
3. Dont know where to start: 15.2/sinsin51 = y/sinsin67 = z/sinsin62

• Replies: 2
• Views: 447
Last Post: 09-11-2018 01:54 PM
by Dr.Peterson
4. teacher couldn't help me understand: y'-2y=sin(x) to -sin x(B + 2A) + cos x(A-2B)=...

• Replies: 9
• Views: 1,787
Last Post: 02-05-2018 11:02 PM
by Dr.Peterson
5. Extremely hard trigo prob: "Nathan is swimming across a river from A to B..."

• Replies: 3
• Views: 1,368
Last Post: 09-18-2017 04:38 PM
by stapel
6. Trig Period problem: Solve tan(x-5)sin(x) = 0 for 0 <= x <= 2pi.

• Replies: 2
• Views: 1,239
Last Post: 12-10-2016 08:58 PM
by Jomo
7. if 0° ≤ θ < 360°.sin θ = 0.9625 with θ in QII, find θ to nearest tenth of degree

• Replies: 2
• Views: 3,417
Last Post: 10-06-2016 06:47 AM
by Harry_the_cat
8. Solid of revolution of one arc of sin(x) encl. by x-axis, about x-axis

• Replies: 7
• Views: 2,902
Last Post: 08-15-2016 07:27 PM
by stapel

Forum:
Calculus

9. Need help on limit problem!!!

• Replies: 1
• Views: 1,596
Last Post: 09-17-2015 05:55 AM
by Subhotosh Khan

Forum:
Calculus

10. Calculating the third side of a triangle using sin/cos/tan

• Replies: 5
• Views: 2,864
Last Post: 05-25-2015 04:38 PM
by javaIsLove
11. Sin cos Formula

• Replies: 9
• Views: 6,877
Last Post: 04-03-2015 03:25 PM
by silverfox12
12. sin A - sin B + sin C = 4 sin (A/2) cos (B/2) sin (C/2)

• Replies: 1
• Views: 30,192
Last Post: 06-16-2014 01:16 PM
by Subhotosh Khan
13. Sin Cos Question

• Replies: 8
• Views: 4,012
Last Post: 06-17-2014 11:51 PM
by Dale10101
14. Calculating cosine and sine by hand

• Replies: 5
• Views: 5,870
Last Post: 05-28-2014 05:48 PM
by BlackBeltPanda
15. finding remaining trigonometric functions of theta

• Replies: 6
• Views: 3,870
Last Post: 12-02-2013 06:50 AM
16. Help me solve this please

• Replies: 1
• Views: 1,515
Last Post: 09-02-2013 04:55 PM
by Subhotosh Khan
17. Trig program - 1 angle 1 side - head against a wall

• Replies: 5
• Views: 3,656
Last Post: 05-18-2013 10:19 AM
by HCL
18. [Trig] Double-Angle and Half-Angle

• Replies: 6
• Views: 6,279
Last Post: 03-21-2013 05:56 AM
by Luizzmp
19. Solving a sin/cos equation with identities

• Replies: 3
• Views: 2,561
Last Post: 10-16-2012 02:57 PM
by ChristaJoy
20. Help with composite trig functions please

• Replies: 2
• Views: 3,474
Last Post: 09-29-2012 09:24 PM
by Kuroki
21. Sin and cos!

• Replies: 2
• Views: 1,784
Last Post: 07-31-2012 11:22 PM
by Yogi
22. Express cosx in terms of other trigonometric functions

• Replies: 3
• Views: 7,170
Last Post: 03-18-2012 03:40 PM
by Subhotosh Khan
23. Trig Identities

• Replies: 7
• Views: 3,423
Last Post: 02-26-2012 11:19 PM
by itsclaire9
24. Trigonometry Identities

• Replies: 0
• Views: 1,466
Last Post: 02-24-2012 03:47 PM
by itsclaire9