Q.No.2. Find the value of other five trigonometric, given cos x = quadrant. Or x lies...

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Q.No.2. Find the value of other five trigonometric, given cos x = quadrant. Or x lies in 3rd Prove the following; cos 9x-cos 5x -sin 2x sin 17xsin 3x cos 10x 7 Q. No.3. Find the middle term(s) I the expansion of {3 - *2) or Find the coefficients of a5b7 in the expansion of (a - 2b)12 Q.No.2. Find the value of other five trigonometric, given cos x = quadrant. Or x lies in 3rd Prove the following; cos 9x-cos 5x -sin 2x sin 17xsin 3x cos 10x 7 Q. No.3. Find the middle term(s) I the expansion of {3 - *2) or Find the coefficients of a5b7 in the expansion of (a - 2b)12