Math 9 Quarter 4
Math 9 Quarter 4
Math 9 Quarter 4
Department of Education
REGION VIII-EASTERN VISAYAS
SCHOOLS DIVISION OF LEYTE
TABANGO NATIONAL HIGH SCHOOL
TABANGO, LEYTE
A. Directions: Given the triangular handkerchief, illustrate the following trigonometric identities. Choose your answer from the
box above the figure, write only the letter of the correct answer opposite each number.
B. Given the figure (right angled piece of paper) below, complete the sentence by finding each corresponding trigonometric
ratios. Rationalize your answer.
40. Sin 45⁰ = _____ 41. Tan 45⁰ = _____ 42. Sec 45⁰ = _____
C. Directions: Given the special triangular handkerchief of Pablo, find the following trigonometric ratios. Choose your answer
from the box above the figure, write only the letter of the correct answer opposite each number.
A. 1 B. 2 C. 1/3 D.
√3 E.1/2
3
_____ 45. Sin 30⁰ _____ 46. Cos 60⁰ _____ 47. Tan 30⁰
TEST III. PROBLEM SOLVING. Solve the following problem by using the following steps: