Sec 1 Cos Math

Sec x 1 cos x.

Sec 1 cos math. Math explained in easy language plus puzzles games quizzes worksheets and a forum. Sin 2 θ 1 cos 2 θ cos 2 θ 1 sin 2 θ tan 2 θ 1 sec 2 θ tan 2 θ sec 2 θ 1 cot 2 θ 1 csc 2. Now consider the left side of the equation. Cosec x 1 sin x cot x 1 cos x tan x sin x.

Cos x y cos x cosy sin x sin y. Expand using the foilmethod. Free math lessons and math homework help from basic math to algebra geometry and beyond. Free math problem solver answers your algebra geometry trigonometry calculus and statistics homework questions with step by step explanations just like a math tutor.

Trigonometry simplify 1 sec x 1 cos x rewrite in termsof sinesand cosines. Verify the identity sec x 1 1 cos x sec x start on the left side. Tan 2 x 1 sec 2 x. For k 12 kids teachers and parents.

Verify the identity sec x 2 1 cos x 2 start on the right side. Sin x y sin x cos y cos x sin y. Secant cosecant and cotangent almost always written as sec cosec and cot are trigonometric functions like sin cos and tan. Free math problem solver answers your algebra geometry trigonometry calculus and statistics homework questions with step by step explanations just like a math tutor.

Sin 2 x cos 2 x 1. Convert to sines and cosines. Note that the three identities above all involve squaring and the number 1 you can see the pythagorean thereom relationship clearly if you consider the unit circle where the angle is t the opposite side is sin t y the adjacent side is cos t x and the hypotenuse is 1.