Introduction to trigonometry
Intro to the trigonometric ratios
Trigonometric ratios in right triangles
Solving for a side in right triangles with trigonometry
Finding reciprocal trig ratios
Using reciprocal trig ratios
Special right triangles intro (part 1)
Special right triangles intro (part 2)
30 60 90 triangle example problem
Special right triangles proof (part 1)
Special right triangles proof (part 2)
Sine & cosine of complementary angles
Finding trigonometric ratios of complementary angles
Intro to pythagorean trigonometric identities
Converting between trigonometric ratios example: write all ratios in terms of sine
Trigonometric identity example proof involving sec, sin, and cos
Trigonometric identity example proof involving sin, cos, and tan
Trigonometric identity example proof involving all the six ratios
Click this link to view the KHAN ACADEMY® Class 10 mathematics topics:
https://www.khanacademy.org/math
All Khan Academy content is available for free at - www.khanacademy.org
KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
You can master basic concepts, explore subjects further or reinforce your knowledge − at your own pace.
KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
You can master basic concepts, explore subjects further or reinforce your knowledge − at your own pace.
Wherever you are in your learning journey, here are links to free materials that may be useful to identify both your strengths and any knowledge gaps in key background subjects.