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3 years ago

Trigonometric Identity help

Mathematics

1 answer:

vovikov84 [41]3 years ago

7 0

Answer:

sin $\pi$ /4 * sin $\pi$ /6 = 1/2 *(cos $\pi$ /12 - cos 5 $\pi$ /12)

Step-by-step explanation:

Formula:- sinX sinY = (1/2) [ cos (X - Y) - cos (X + Y) ]

sin(π/4)sin(π/6)

= (1/2)[cos(π/4 - π/6) - cos(π/4 + π/6)]

= (1/2)[cos(3π/12 - 2π/12) - cos(3π/12 + 2π/12)]

= (1/2)[cos(π/12) - cos(5π/12)]

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galina1969 [7]

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A patient has 0.0000075 gram of iron in 1 liter of blood. The normal level is between 6* 10^-7 grams and 1.6*10^-5 grams. Is the

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3 years ago

A family goes grocery shopping every week. in a month the costs of the groceries are $72.42, $91.50, $58.99, and $69.02. 5. what

frozen [14]

1) Mean
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The standard deviation is given by:
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3 years ago

Write the slope-intercept form of the equation of the line. slope = 1, y, int = -2

choli [55]

Answer:

y = x - 2

General Formulas and Concepts:

Algebra I

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step-by-step explanation:

Step 1: Define

Slope m = 1

y-intercept b = -2

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3 years ago

Read 2 more answers

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enot [183]

Question: Part A: Find the GCF of 56 and 96. It is 8, already did this

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Answer & explanation: Quick-Start Guide. When you enter an expression into the calculator, the calculator will simplify the expression by expanding multiplication and combining like terms. This website will help you out, I think! https://wpblog.wyzant.com lessons Expression Factoring Calculator – Wyzant Lessons

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Trigonometric Identity help​

Trigonometric Identity help