if cos 1 x 2 cos 1 y 3 pi 6 We will follow these steps Step 1 Rewrite the equation We start with the given equation cos 1 x2 cos 1 y3 6 Step 2 Use the cosine addition formula Using the formula for the
Inverse trigonometric functions If cos 1 x 2 cos 1 y 3 then prove that 9x2 12xy cos 4y2 36 sin2 Solution Verified by Toppr let cos 1 x 2 A cos 1 y 3 B As cos A B cosA cosB sinA sinB and cos 1x sin 1 1 x2 cos A B x 2 y 3 1 x2 4 1 y2 9
if cos 1 x 2 cos 1 y 3 pi 6
if cos 1 x 2 cos 1 y 3 pi 6
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If Cos 1 x Cos 1 y cos 1 z 3 Then Find The Value Of X 2y 3z 9
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The Value Of Cos 1 X Cos 1 X 2 1 2 3 3x 2 1 2 X 1
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Table 1 The second and third identities can be obtained by manipulating the first The identity is found by rewriting the left side of the equation in terms of sine and cosine Trigonometry is a branch of mathematics concerned with relationships between angles and side lengths of triangles In particular the trigonometric functions relate the angles of a right triangle
If cos 1 dfrac x 2 cos 1 dfrac y 3 alpha then prove that 9x 2 12xy cos alpha 4y 2 36 sin 2 alpha Open in App Solution In mathematics sine and cosine are trigonometric functions of an angle The sine and cosine of an acute angle are defined in the context of a right triangle for the specified angle its sine is the ratio of the length of the side that is opposite
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If cos 1 x 2 cos 1 y 3 prove that 9 x 2 12 x y cos 4 y 2 36 sin 2 View Solution If y sin 1 x 2 cos 1 x 2 then prove that 1 x 2 y 2 x y 1 4 0 The pricipal value of theta cos 1x should 0
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if cos 1 x 2 cos 1 y 3 pi 6 - Table 1 The second and third identities can be obtained by manipulating the first The identity is found by rewriting the left side of the equation in terms of sine and cosine