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dolphi86 [110]
3 years ago
10

Write the expression as the sine, cosine, or tangent of an angle. (6 points) cos 94° cos 37° + sin 94° sin 37°

Mathematics
2 answers:
klasskru [66]3 years ago
4 0

Answer:

cos57 = 0.5446

sin57 = 0.8387

tan57 = 1.5399

Step-by-step explanation:

Given

cos 94\° cos 37\° + sin 94\° sin 37\°

Required

Determine the

<em>- sin</em>

<em>- cosine</em>

<em>- tangent</em>

of an angle

The given expression can be represented as follows;

cosAcosB + sinAsinB

Where A = 94 and B = 37

In trigonometry:

cosAcosB + sinAsinB = cos(A - B)

Substitute 94 for A and 37 for B

cos(A - B) = cos(94 - 37)

cos(A - B) = cos(57)

Hence, the angle is 57;

<em>Since 57 is not a special angle; I'll solve using a calculator</em>

cos57 = 0.5446

sin57 = 0.8387

tan57 = 1.5399

Verdich [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Given

Required

Determine the

- sin

- cosine

- tangent

of an angle

The given expression can be represented as follows;

Where A = 94 and B = 37

In trigonometry:

Substitute 94 for A and 37 for B

Hence, the angle is 57;

Since 57 is not a special angle; I'll solve using a calculator

Step-by-step explanation:

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