1 Example 4 Express tan Solution We write ii Take x cos 0 then proceeding as above we get sin tan COS X 1 sin x Example 5 Write

Question

1 Example 4 Express tan Solution We write ii Take x cos 0 then proceeding as above we get sin tan COS X 1 sin x Example 5 Write cot Therefore cot 3 tan tan tan tan 1 X 1 x 1 1 COS X Solution Let x sec 0 then x 1 1 N sin 2sine cose sin Sin20 20 2 sin x X X X sin COS sin COMME 17 2 2 2 X x COS sin 2 3 X COS sin 2 X COS sin 2 Prove the following 1 3sin x sin 3x 4x xe X 0 T X tan 4 2 X X X sin 2 sin cos 2 2 2 sin 2 3cos x cos 4x 3x XE X 2 X 2 tan T X 4 2 Rationalised 2023 24 le of you 1 sec 0 Write the following functions in the simplest form 1 x 1 x 1 in the simplest form EXERCISE 2 2 in the simplest form 1 tan INVERSE TRIGONOMETRIC FUNCTIONS 29 1 tan cot cot 0 0 sec x which is the simplest form 0 1 tan 0 X 1 x 2 cos x NORT COS X 1 cos x ublished 0 x T

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