Question No. 4

  • 9 years ago
Lesson#6
Question No. 4
Q4: Prove that:
(i): sin^2 (π+θ) tan⁡(3π/2+θ)/(cot^2 (3π/2−θ) cos^2 (π−θ)cosec(2π−θ)=cosθ
(ii): (cos(90^°+θ) .sec⁡(−θ).tan⁡(180^°−θ))/(sec(360^°−θ) . sin(180^°+θ)cot(90^°−θ))=−1
Trigonometric Identities
Chapter No 10
Exercise No 10.1
Mathematics
part 1

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