Math, asked by ShrinivasKulkarni, 1 year ago

cos38cos8 + sin38sin8

Answers

Answered by shubham610

1

Step-by-step explanation:

$cos38cos38 + sin38sin38 \\ =cos {}^{2} 38 + sin {}^{2} 38 \\ = 38(cos {}^{2} + sin {}^{2} ) \\ = 38 \times 1 \\ = 38$

ShrinivasKulkarni: But the option are 1)cos30 2)cos60 3)cos45 4)cos38

shubham610: why u did not post options!, it not my fault,

ShrinivasKulkarni: sorry

ShrinivasKulkarni: please help me

Previous Question

Next Question

Similar questions

English, 6 months ago

How can you write a polnomial with 15 terms in veriable...

Chemistry, 6 months ago

how many state of matter is available...

Math, 6 months ago

For the given sequence: 75, 71, 67, 63, ____, _____, _____ ...

Math, 1 year ago

1. Two numbers are in the ratio 8:3. If sum of the numbers is 143, find the numbers. 2. Four-fifths of a number is 10more than two-thirds of the number. Find the number. 3. If 10 be added to four times a certain number, the result is 5 less than five times the number. Find the number. 4. The width of a rectangle is two-thirds its length. If the perimeter is 180m, find the dimensions of the...

Chemistry, 1 year ago

why atomic radius of oxygen is greater than nitrogen...

Science, 1 year ago

describe term compressibility and legibility only one word anz !! i'll mark u as brnlst...

Math, 1 year ago

1que plzz & follow me Marked As brainliest ans plzz...

Political Science, 1 year ago

describe in detail form of power sharing...