Answer:
x = 16°, tan x = 0.3
Step-by-step explanation:
85700
8570
85.7
8.57
0.857
Each time, you divide by 10 (move the decimal place 1 place value to the left).
Answer:
y = 2x/3 + 0 for x < 0
y = -3x for x ≥ 0
Step-by-step explanation:
Blue line
line rises 2 units for each 3 units of run so slope is 2/3, intercept is 2
y = 2x/3 + 0 for x < 0
Red line
line falls 3 units for each 1 unit of run so slope is -3, y intercept is 0
y = -3x
Answer:
Step-by-step explanation:
1+tan2A(tanA)=sec2A
Right hand side
sec2A=1cos2A=1cos2A−sin2A
=cos2A+sin2Acos2A−sin2A
=1+tan2A1−tan2A
=1−tan2A+2tan2A1−tan2A
=1−tan2A1−tan2A+2tan2A1−tan2A
=1+2tanA1−tan2A×tanA
=1+tan2A×tanA
=Left hand side
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