How i solve the ncert class 10 chapter introduction of trigonometry .Give me the best solution of exercise 8.2 question number 4(4) . Find the easiest solution of this question. State whether the following are true or false. Justify your answer. sin θ = cos θ for all values of θ
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State whether the following are true or false. Justify your answer. sin θ = cos θ for all values of θ. Q 4 (4)
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True.
Since cot function is the reciprocal of the tan function, it is also written as:
cot A = cos A/sin A
Now substitute A = 0°
cot 0° = cos 0°/sin 0° = 1/0 = undefined.
Hence, it is true