THINKING Question 7 Trigonometric Identities Prove TWO of the trig identities below [ (a) cos A-cot A 1-sin A = - cot A tan 0 1 (b) sec² 0 - = CDs # 1+sin 8 sin x cos x (c) 1 - cos²x = col x COS X (d) tan x + = sec X 1+sin x I

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A: Topic:- trigonometry