Please choose the correct option and explain why that option is correct Questions 52 and 53 Answer - Maths - Introduction to Trigonometry

Question

Please choose the correct option and explain why that option is
correct Questions 52 and 53 Answer it as soon as possible

Shruti Tyagi · Accepted Answer

Dear student,

52) Given: 0°<θ<90°we know sec0°=1 and sec90°=∞Hence value of secθ will lie between 1 and ∞thus the value of secθ is greater than 1Option (a) is correct
53) If sinA=cosAthen sinA=sin90°-A               --[ ∵ sin (90-θ)=cosθ]⇒A=90°-A⇒2A=90°⇒A=90°2⇒A=45°Option (b) is correct

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Please choose the correct option and explain why that option is correct . Questions 52 and 53. Answer it as soon as possible. Please choose the correct option and explain why that option is correct . Questions 52 and 53. Answer it as soon as possible. 459. c

Please choose the correct option and explain why that option is correct . Questions 52 and 53. Answer it as soon as possible.

Please choose the correct option and explain why that option is correct . Questions 52 and 53. Answer it as soon as possible. 459. c