Question

If 4 sin

2 θ -1 =0 and θ is an acute angle , find the value [3]

of θ and hence find the values (i) cos²θ + tan² θ (ii) sin 3θ
If cosec x = √ 5 and x is less than 90° , find the value of

cot x - cos x.​

Answer 1

Step-by-step explanation:

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