Question

Which of the trigonometric ratios are positive for
370
(1) 80°
(ii) - 150°
(iii)
4​

Answer 1

Answer:

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Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

Which of the trigonometric ratios are positive for

(1) 80°

(ii) - 150°

(iii) 370°

EVALUATION

We know that all trigonometric ratios are positive when the angle lies in first quadrant

Now 0° < 80° < 90°

Since the angle 80° lies in first quadrant , so all Trigonometric ratio is positive

FINAL ANSWER

Hence the correct option is (1) 80°

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