Ex 8.2, 4 (iv) - Chapter 8 Class 10 Introduction to Trignometry
Last updated at Dec. 16, 2024 by Teachoo
Ex 8.2
Ex 8.2, 1 (i)
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Transcript
Ex 8.2, 4 State whether the following are true or false. Justify your answer. (iv) sin θ = cos θ for all values of θ. We know that sin 45° = cos 45° = 1/√2 But sin 30° ≠ cos 30° & sin 60° ≠ cos 60° Thus, for only θ = 45° , sin θ = cos θ And not always Hence, given statement is false
