Question

.If theta is an acute angle and sinθ=cosθ , find the value of 2θ+θ-1

Answer 1

Answer:

sin(theta)= cos (theta)

so theta should be = 45°

2 (theta) + (theta) -1

= 2 (45) + 45 - 1

=90 + 45 - 1

=135-1

=134//

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Answer 2

Step-by-step explanation:

Hi mate

Value of 20+0-1=19