Practice Set 8.1 Geometry 9th Std Maths Part 2 Answers Chapter 8 Trigonometry
Question 1
Maharashtra Board Solution
In the given figure, ∠R is the right angle of ∆PQR. Write the following ratios. i. sin P ii. cos Q iii. tan P iv. tan Q
Solution & Step-by-Step Answer:
Question 2
Maharashtra Board Solution
In the right angled ∆XYZ, ∠XYZ = 90° and a, b, c are the lengths of the sides as shown in the figure. Write the following ratios. i. sin x ii. tan z iii. cos x iv. tan x.
Solution & Step-by-Step Answer:
Question 3
Maharashtra Board Solution
In right angled ∆LMN, ∠LMN = 90°, ∠L = 50° and ∠N = 40°. Write the following ratios. i. sin 50° ii. cos 50° iii. tan 40° iv. cos 40°
Solution & Step-by-Step Answer:
Question 4
Maharashtra Board Solution
In the given figure, ∠PQR = 90°, ∠PQS = 90°, ∠PRQ = α and ∠QPS = θ. Write the following trigonometric ratios. i. sin α, cos α, tan α ii. sin θ, cos θ, tan θ
Solution & Step-by-Step Answer:
i. In ∆PQR,
ii. In ∆PQS,
Maharashtra Board Class 9 Maths Chapter 8 Trigonometry Practice Set 8.1 Intext Questions and Activities
Question 1
Maharashtra Board Solution
In the figure gIven below, ∆PQR is a right angled triangle. Write the names of sides opposite and adjacent to ∠P and ∠R. (Textbook pg no. 102)
Solution & Step-by-Step Answer:
In right angled ∆PQR, i. side opposite to ∠P = QR ii. side opposite to ∠R = PQ iii. side adjacent to ∠P = PQ iv. side adjacent to ∠R = QR