Math, asked by namdevpatil9119, 17 days ago

State the signs of : sin380°, cos480°, tan280°, sec130°

Answers

Answered by saumyaswag1

2

Answer:

380° = 360° + 20°. ∴ 360° < 380° < 450°. ∴ 380° lies in the first quadrant. ∴ tan 380° is positive. Concept: Signs of Trigonometric

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