Math, asked by saikumarofficial79, 7 months ago

Q 35 Calculate the value of [Sin 135° + Cos 225°).
Ops: A
0-1/ 2
B.
OO
C.
O-22
D.
O 42
2

Answers

Answered by tuhinafarhana

3

Answer:

0

Step-by-step explanation:

sin135°=sin(2×90°-45°)=sin45°=1/√2

cos225°=cos(2×90°+45°)= -cos45°= -1/√2

therefore, (sin145°+cos225°)

=(1/√2) +(-1/√2)

=0

Previous Question

Next Question

Similar questions

Science, 3 months ago

Solank; Jay o Draw a distance tome graph from the below given information and answer the questions given below...

Physics, 3 months ago

what to say a school teacher in online classes When she asks why dont u open your mic and camera when done several times...

Science, 3 months ago

Observe the diagram and answer the following. 0 1 2 4 valency of carbon valency of neon ...

History, 7 months ago

Two modern instruments you know_______...

Math, 7 months ago

Find the value of k, if x – 1 is a factor of p(x) in p(x) = kx^2-√2x+1...

Math, 11 months ago

Father‘s age is three times the sum of ages of his two sons. Five years later he will be twice the sum of ages of his two sons. Find their present age of the father.

Math, 11 months ago

The numerator of a rational number is 4 less than its denominator. if the denominator is increased by 9 and the numerator increased by the 5 then the number is the original number then find the number.

Math, 11 months ago

hono Choose the correct alternative answer for each of the following a) If y a 1, x = 3 and k = 30. then find y. (i) 10 (ii) 60 (iii) 90 b) If na m and m = 6.5 and k = 4, then n = ? (1) 12 (ii) 20 (iii) 26 c) If the cost of 4 pens is 320, then cost of 20 pens_230 fis 380 (ii) 3100 (iii) 340 d) 'y varies inversely as x2' and y = 8, x = 2 then k = – (1) 32 (ii) 16 (iii) 4 Activity...